42518980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 107476992

約数和(自身を除く): 64958012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 97, 101, 124, 140, 155, 194, 202, 217, 310, 388, 404, 434, 485, 505, 620, 679, 707, 868, 970, 1010, 1085, 1358, 1414, 1940, 2020, 2170, 2716, 2828, 3007, 3131, 3395, 3535, 4340, 6014, 6262, 6790, 7070, 9797, 12028, 12524, 13580, 14140, 15035, 15655, 19594, 21049, 21917, 30070, 31310, 39188, 42098, 43834, 48985, 60140, 62620, 68579, 84196, 87668, 97970, 105245, 109585, 137158, 195940, 210490, 219170, 274316, 303707, 342895, 420980, 438340, 607414, 685790, 1214828, 1371580, 1518535, 2125949, 3037070, 4251898, 6074140, 8503796, 10629745, 21259490, 42518980]

約数ペア:

[(1, 42518980), (2, 21259490), (4, 10629745), (5, 8503796), (7, 6074140), (10, 4251898), (14, 3037070), (20, 2125949), (28, 1518535), (31, 1371580), (35, 1214828), (62, 685790), (70, 607414), (97, 438340), (101, 420980), (124, 342895), (140, 303707), (155, 274316), (194, 219170), (202, 210490), (217, 195940), (310, 137158), (388, 109585), (404, 105245), (434, 97970), (485, 87668), (505, 84196), (620, 68579), (679, 62620), (707, 60140), (868, 48985), (970, 43834), (1010, 42098), (1085, 39188), (1358, 31310), (1414, 30070), (1940, 21917), (2020, 21049), (2170, 19594), (2716, 15655), (2828, 15035), (3007, 14140), (3131, 13580), (3395, 12524), (3535, 12028), (4340, 9797), (6014, 7070), (6262, 6790)]