28222040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:71

約数の個数: 192

約数和(自身を含む): 86184000

約数和(自身を除く): 57961960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 85, 88, 98, 110, 119, 121, 136, 140, 154, 170, 187, 196, 220, 238, 242, 245, 280, 308, 340, 343, 374, 385, 392, 440, 476, 484, 490, 539, 595, 605, 616, 680, 686, 748, 770, 833, 847, 935, 952, 968, 980, 1078, 1190, 1210, 1309, 1372, 1496, 1540, 1666, 1694, 1715, 1870, 1960, 2057, 2156, 2380, 2420, 2618, 2695, 2744, 3080, 3332, 3388, 3430, 3740, 3773, 4114, 4165, 4235, 4312, 4760, 4840, 5236, 5390, 5831, 5929, 6545, 6664, 6776, 6860, 7480, 7546, 8228, 8330, 8470, 9163, 10285, 10472, 10780, 11662, 11858, 13090, 13720, 14399, 15092, 16456, 16660, 16940, 18326, 18865, 20570, 21560, 23324, 23716, 26180, 28798, 29155, 29645, 30184, 33320, 33880, 36652, 37730, 41140, 41503, 45815, 46648, 47432, 52360, 57596, 58310, 59290, 64141, 71995, 73304, 75460, 82280, 83006, 91630, 100793, 115192, 116620, 118580, 128282, 143990, 150920, 166012, 183260, 201586, 207515, 233240, 237160, 256564, 287980, 320705, 332024, 366520, 403172, 415030, 503965, 513128, 575960, 641410, 705551, 806344, 830060, 1007930, 1282820, 1411102, 1660120, 2015860, 2565640, 2822204, 3527755, 4031720, 5644408, 7055510, 14111020, 28222040]

約数ペア:

[(1, 28222040), (2, 14111020), (4, 7055510), (5, 5644408), (7, 4031720), (8, 3527755), (10, 2822204), (11, 2565640), (14, 2015860), (17, 1660120), (20, 1411102), (22, 1282820), (28, 1007930), (34, 830060), (35, 806344), (40, 705551), (44, 641410), (49, 575960), (55, 513128), (56, 503965), (68, 415030), (70, 403172), (77, 366520), (85, 332024), (88, 320705), (98, 287980), (110, 256564), (119, 237160), (121, 233240), (136, 207515), (140, 201586), (154, 183260), (170, 166012), (187, 150920), (196, 143990), (220, 128282), (238, 118580), (242, 116620), (245, 115192), (280, 100793), (308, 91630), (340, 83006), (343, 82280), (374, 75460), (385, 73304), (392, 71995), (440, 64141), (476, 59290), (484, 58310), (490, 57596), (539, 52360), (595, 47432), (605, 46648), (616, 45815), (680, 41503), (686, 41140), (748, 37730), (770, 36652), (833, 33880), (847, 33320), (935, 30184), (952, 29645), (968, 29155), (980, 28798), (1078, 26180), (1190, 23716), (1210, 23324), (1309, 21560), (1372, 20570), (1496, 18865), (1540, 18326), (1666, 16940), (1694, 16660), (1715, 16456), (1870, 15092), (1960, 14399), (2057, 13720), (2156, 13090), (2380, 11858), (2420, 11662), (2618, 10780), (2695, 10472), (2744, 10285), (3080, 9163), (3332, 8470), (3388, 8330), (3430, 8228), (3740, 7546), (3773, 7480), (4114, 6860), (4165, 6776), (4235, 6664), (4312, 6545), (4760, 5929), (4840, 5831), (5236, 5390)]