309307460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:119

約数の個数: 216

約数和(自身を含む): 887503680

約数和(自身を除く): 578196220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 44, 55, 62, 70, 76, 77, 95, 110, 121, 124, 133, 140, 154, 155, 190, 209, 217, 220, 242, 266, 308, 310, 341, 380, 385, 418, 434, 484, 532, 589, 605, 620, 665, 682, 770, 836, 847, 868, 961, 1045, 1085, 1178, 1210, 1330, 1364, 1463, 1540, 1694, 1705, 1922, 2090, 2170, 2299, 2356, 2387, 2420, 2660, 2926, 2945, 3388, 3410, 3751, 3844, 4123, 4180, 4235, 4340, 4598, 4774, 4805, 5852, 5890, 6479, 6727, 6820, 7315, 7502, 8246, 8470, 9196, 9548, 9610, 10571, 11495, 11780, 11935, 12958, 13454, 14630, 15004, 16093, 16492, 16940, 18259, 18755, 19220, 20615, 21142, 22990, 23870, 25916, 26257, 26908, 29260, 32186, 32395, 33635, 36518, 37510, 41230, 42284, 45353, 45980, 47740, 52514, 52855, 64372, 64790, 67270, 71269, 73036, 73997, 75020, 80465, 82460, 90706, 91295, 105028, 105710, 116281, 127813, 129580, 131285, 134540, 142538, 147994, 160930, 181412, 182590, 200849, 211420, 226765, 232562, 255626, 262570, 285076, 295988, 321860, 356345, 365180, 369985, 401698, 453530, 465124, 498883, 511252, 525140, 581405, 639065, 712690, 739970, 803396, 813967, 907060, 997766, 1004245, 1162810, 1278130, 1405943, 1425380, 1479940, 1627934, 1995532, 2008490, 2209339, 2325620, 2494415, 2556260, 2811886, 3255868, 4016980, 4069835, 4418678, 4988830, 5623772, 7029715, 8139670, 8837356, 9977660, 11046695, 14059430, 15465373, 16279340, 22093390, 28118860, 30930746, 44186780, 61861492, 77326865, 154653730, 309307460]

約数ペア:

[(1, 309307460), (2, 154653730), (4, 77326865), (5, 61861492), (7, 44186780), (10, 30930746), (11, 28118860), (14, 22093390), (19, 16279340), (20, 15465373), (22, 14059430), (28, 11046695), (31, 9977660), (35, 8837356), (38, 8139670), (44, 7029715), (55, 5623772), (62, 4988830), (70, 4418678), (76, 4069835), (77, 4016980), (95, 3255868), (110, 2811886), (121, 2556260), (124, 2494415), (133, 2325620), (140, 2209339), (154, 2008490), (155, 1995532), (190, 1627934), (209, 1479940), (217, 1425380), (220, 1405943), (242, 1278130), (266, 1162810), (308, 1004245), (310, 997766), (341, 907060), (380, 813967), (385, 803396), (418, 739970), (434, 712690), (484, 639065), (532, 581405), (589, 525140), (605, 511252), (620, 498883), (665, 465124), (682, 453530), (770, 401698), (836, 369985), (847, 365180), (868, 356345), (961, 321860), (1045, 295988), (1085, 285076), (1178, 262570), (1210, 255626), (1330, 232562), (1364, 226765), (1463, 211420), (1540, 200849), (1694, 182590), (1705, 181412), (1922, 160930), (2090, 147994), (2170, 142538), (2299, 134540), (2356, 131285), (2387, 129580), (2420, 127813), (2660, 116281), (2926, 105710), (2945, 105028), (3388, 91295), (3410, 90706), (3751, 82460), (3844, 80465), (4123, 75020), (4180, 73997), (4235, 73036), (4340, 71269), (4598, 67270), (4774, 64790), (4805, 64372), (5852, 52855), (5890, 52514), (6479, 47740), (6727, 45980), (6820, 45353), (7315, 42284), (7502, 41230), (8246, 37510), (8470, 36518), (9196, 33635), (9548, 32395), (9610, 32186), (10571, 29260), (11495, 26908), (11780, 26257), (11935, 25916), (12958, 23870), (13454, 22990), (14630, 21142), (15004, 20615), (16093, 19220), (16492, 18755), (16940, 18259)]