395925180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:744

約数の個数: 192

約数和(自身を含む): 1337720832

約数和(自身を除く): 941795652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 47, 60, 62, 70, 84, 93, 94, 105, 124, 140, 141, 155, 186, 188, 210, 217, 235, 282, 310, 329, 372, 420, 434, 465, 470, 564, 620, 647, 651, 658, 705, 868, 930, 940, 987, 1085, 1294, 1302, 1316, 1410, 1457, 1645, 1860, 1941, 1974, 2170, 2588, 2604, 2820, 2914, 3235, 3255, 3290, 3882, 3948, 4340, 4371, 4529, 4935, 5828, 6470, 6510, 6580, 7285, 7764, 8742, 9058, 9705, 9870, 10199, 12940, 13020, 13587, 14570, 17484, 18116, 19410, 19740, 20057, 20398, 21855, 22645, 27174, 29140, 30409, 30597, 38820, 40114, 40796, 43710, 45290, 50995, 54348, 60171, 60818, 61194, 67935, 80228, 87420, 90580, 91227, 100285, 101990, 120342, 121636, 122388, 135870, 140399, 152045, 152985, 182454, 200570, 203980, 212863, 240684, 271740, 280798, 300855, 304090, 305970, 364908, 401140, 421197, 425726, 456135, 561596, 601710, 608180, 611940, 638589, 701995, 842394, 851452, 912270, 942679, 1064315, 1203420, 1277178, 1403990, 1684788, 1824540, 1885358, 2105985, 2128630, 2554356, 2807980, 2828037, 3192945, 3770716, 4211970, 4257260, 4713395, 5656074, 6385890, 6598753, 8423940, 9426790, 11312148, 12771780, 13197506, 14140185, 18853580, 19796259, 26395012, 28280370, 32993765, 39592518, 56560740, 65987530, 79185036, 98981295, 131975060, 197962590, 395925180]

約数ペア:

[(1, 395925180), (2, 197962590), (3, 131975060), (4, 98981295), (5, 79185036), (6, 65987530), (7, 56560740), (10, 39592518), (12, 32993765), (14, 28280370), (15, 26395012), (20, 19796259), (21, 18853580), (28, 14140185), (30, 13197506), (31, 12771780), (35, 11312148), (42, 9426790), (47, 8423940), (60, 6598753), (62, 6385890), (70, 5656074), (84, 4713395), (93, 4257260), (94, 4211970), (105, 3770716), (124, 3192945), (140, 2828037), (141, 2807980), (155, 2554356), (186, 2128630), (188, 2105985), (210, 1885358), (217, 1824540), (235, 1684788), (282, 1403990), (310, 1277178), (329, 1203420), (372, 1064315), (420, 942679), (434, 912270), (465, 851452), (470, 842394), (564, 701995), (620, 638589), (647, 611940), (651, 608180), (658, 601710), (705, 561596), (868, 456135), (930, 425726), (940, 421197), (987, 401140), (1085, 364908), (1294, 305970), (1302, 304090), (1316, 300855), (1410, 280798), (1457, 271740), (1645, 240684), (1860, 212863), (1941, 203980), (1974, 200570), (2170, 182454), (2588, 152985), (2604, 152045), (2820, 140399), (2914, 135870), (3235, 122388), (3255, 121636), (3290, 120342), (3882, 101990), (3948, 100285), (4340, 91227), (4371, 90580), (4529, 87420), (4935, 80228), (5828, 67935), (6470, 61194), (6510, 60818), (6580, 60171), (7285, 54348), (7764, 50995), (8742, 45290), (9058, 43710), (9705, 40796), (9870, 40114), (10199, 38820), (12940, 30597), (13020, 30409), (13587, 29140), (14570, 27174), (17484, 22645), (18116, 21855), (19410, 20398), (19740, 20057)]