656858380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:767

約数の個数: 96

約数和(自身を含む): 1508548608

約数和(自身を除く): 851690228

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 73, 92, 115, 124, 146, 155, 230, 292, 310, 365, 460, 620, 631, 713, 730, 1262, 1426, 1460, 1679, 2263, 2524, 2852, 3155, 3358, 3565, 4526, 6310, 6716, 7130, 8395, 9052, 11315, 12620, 14260, 14513, 16790, 19561, 22630, 29026, 33580, 39122, 45260, 46063, 52049, 58052, 72565, 78244, 92126, 97805, 104098, 145130, 184252, 195610, 208196, 230315, 260245, 290260, 391220, 449903, 460630, 520490, 899806, 921260, 1040980, 1059449, 1427953, 1799612, 2118898, 2249515, 2855906, 4237796, 4499030, 5297245, 5711812, 7139765, 8998060, 10594490, 14279530, 21188980, 28559060, 32842919, 65685838, 131371676, 164214595, 328429190, 656858380]

約数ペア:

[(1, 656858380), (2, 328429190), (4, 164214595), (5, 131371676), (10, 65685838), (20, 32842919), (23, 28559060), (31, 21188980), (46, 14279530), (62, 10594490), (73, 8998060), (92, 7139765), (115, 5711812), (124, 5297245), (146, 4499030), (155, 4237796), (230, 2855906), (292, 2249515), (310, 2118898), (365, 1799612), (460, 1427953), (620, 1059449), (631, 1040980), (713, 921260), (730, 899806), (1262, 520490), (1426, 460630), (1460, 449903), (1679, 391220), (2263, 290260), (2524, 260245), (2852, 230315), (3155, 208196), (3358, 195610), (3565, 184252), (4526, 145130), (6310, 104098), (6716, 97805), (7130, 92126), (8395, 78244), (9052, 72565), (11315, 58052), (12620, 52049), (14260, 46063), (14513, 45260), (16790, 39122), (19561, 33580), (22630, 29026)]