406615840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1242

約数の個数: 96

約数和(自身を含む): 1006096896

約数和(自身を除く): 599481056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 73, 80, 124, 146, 155, 160, 248, 292, 310, 365, 496, 584, 620, 730, 992, 1123, 1168, 1240, 1460, 2246, 2263, 2336, 2480, 2920, 4492, 4526, 4960, 5615, 5840, 8984, 9052, 11230, 11315, 11680, 17968, 18104, 22460, 22630, 34813, 35936, 36208, 44920, 45260, 69626, 72416, 81979, 89840, 90520, 139252, 163958, 174065, 179680, 181040, 278504, 327916, 348130, 362080, 409895, 557008, 655832, 696260, 819790, 1114016, 1311664, 1392520, 1639580, 2541349, 2623328, 2785040, 3279160, 5082698, 5570080, 6558320, 10165396, 12706745, 13116640, 20330792, 25413490, 40661584, 50826980, 81323168, 101653960, 203307920, 406615840]

約数ペア:

[(1, 406615840), (2, 203307920), (4, 101653960), (5, 81323168), (8, 50826980), (10, 40661584), (16, 25413490), (20, 20330792), (31, 13116640), (32, 12706745), (40, 10165396), (62, 6558320), (73, 5570080), (80, 5082698), (124, 3279160), (146, 2785040), (155, 2623328), (160, 2541349), (248, 1639580), (292, 1392520), (310, 1311664), (365, 1114016), (496, 819790), (584, 696260), (620, 655832), (730, 557008), (992, 409895), (1123, 362080), (1168, 348130), (1240, 327916), (1460, 278504), (2246, 181040), (2263, 179680), (2336, 174065), (2480, 163958), (2920, 139252), (4492, 90520), (4526, 89840), (4960, 81979), (5615, 72416), (5840, 69626), (8984, 45260), (9052, 44920), (11230, 36208), (11315, 35936), (11680, 34813), (17968, 22630), (18104, 22460)]