291213380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 677376000

約数和(自身を除く): 386162620

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 59, 62, 76, 95, 118, 124, 155, 190, 236, 295, 310, 380, 419, 589, 590, 620, 838, 1121, 1178, 1180, 1676, 1829, 2095, 2242, 2356, 2945, 3658, 4190, 4484, 5605, 5890, 7316, 7961, 8380, 9145, 11210, 11780, 12989, 15922, 18290, 22420, 24721, 25978, 31844, 34751, 36580, 39805, 49442, 51956, 64945, 69502, 79610, 98884, 123605, 129890, 139004, 159220, 173755, 246791, 247210, 259780, 347510, 469699, 493582, 494420, 695020, 766351, 939398, 987164, 1233955, 1532702, 1878796, 2348495, 2467910, 3065404, 3831755, 4696990, 4935820, 7663510, 9393980, 14560669, 15327020, 29121338, 58242676, 72803345, 145606690, 291213380]

約数ペア:

[(1, 291213380), (2, 145606690), (4, 72803345), (5, 58242676), (10, 29121338), (19, 15327020), (20, 14560669), (31, 9393980), (38, 7663510), (59, 4935820), (62, 4696990), (76, 3831755), (95, 3065404), (118, 2467910), (124, 2348495), (155, 1878796), (190, 1532702), (236, 1233955), (295, 987164), (310, 939398), (380, 766351), (419, 695020), (589, 494420), (590, 493582), (620, 469699), (838, 347510), (1121, 259780), (1178, 247210), (1180, 246791), (1676, 173755), (1829, 159220), (2095, 139004), (2242, 129890), (2356, 123605), (2945, 98884), (3658, 79610), (4190, 69502), (4484, 64945), (5605, 51956), (5890, 49442), (7316, 39805), (7961, 36580), (8380, 34751), (9145, 31844), (11210, 25978), (11780, 24721), (12989, 22420), (15922, 18290)]