191785220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 461970432

約数和(自身を除く): 270185212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 61, 62, 110, 122, 124, 155, 220, 244, 305, 310, 341, 461, 610, 620, 671, 682, 922, 1220, 1342, 1364, 1705, 1844, 1891, 2305, 2684, 3355, 3410, 3782, 4610, 5071, 6710, 6820, 7564, 9220, 9455, 10142, 13420, 14291, 18910, 20284, 20801, 25355, 28121, 28582, 37820, 41602, 50710, 56242, 57164, 71455, 83204, 101420, 104005, 112484, 140605, 142910, 157201, 208010, 281210, 285820, 309331, 314402, 416020, 562420, 618662, 628804, 786005, 871751, 1237324, 1546655, 1572010, 1743502, 3093310, 3144020, 3487004, 4358755, 6186620, 8717510, 9589261, 17435020, 19178522, 38357044, 47946305, 95892610, 191785220]

約数ペア:

[(1, 191785220), (2, 95892610), (4, 47946305), (5, 38357044), (10, 19178522), (11, 17435020), (20, 9589261), (22, 8717510), (31, 6186620), (44, 4358755), (55, 3487004), (61, 3144020), (62, 3093310), (110, 1743502), (122, 1572010), (124, 1546655), (155, 1237324), (220, 871751), (244, 786005), (305, 628804), (310, 618662), (341, 562420), (461, 416020), (610, 314402), (620, 309331), (671, 285820), (682, 281210), (922, 208010), (1220, 157201), (1342, 142910), (1364, 140605), (1705, 112484), (1844, 104005), (1891, 101420), (2305, 83204), (2684, 71455), (3355, 57164), (3410, 56242), (3782, 50710), (4610, 41602), (5071, 37820), (6710, 28582), (6820, 28121), (7564, 25355), (9220, 20801), (9455, 20284), (10142, 18910), (13420, 14291)]