1810400

素因数分解:

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

素因数の和:124

約数の個数: 72

約数和(自身を含む): 4624704

約数和(自身を除く): 2814304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 73, 80, 100, 124, 146, 155, 160, 200, 248, 292, 310, 365, 400, 496, 584, 620, 730, 775, 800, 992, 1168, 1240, 1460, 1550, 1825, 2263, 2336, 2480, 2920, 3100, 3650, 4526, 4960, 5840, 6200, 7300, 9052, 11315, 11680, 12400, 14600, 18104, 22630, 24800, 29200, 36208, 45260, 56575, 58400, 72416, 90520, 113150, 181040, 226300, 362080, 452600, 905200, 1810400]

約数ペア:

[(1, 1810400), (2, 905200), (4, 452600), (5, 362080), (8, 226300), (10, 181040), (16, 113150), (20, 90520), (25, 72416), (31, 58400), (32, 56575), (40, 45260), (50, 36208), (62, 29200), (73, 24800), (80, 22630), (100, 18104), (124, 14600), (146, 12400), (155, 11680), (160, 11315), (200, 9052), (248, 7300), (292, 6200), (310, 5840), (365, 4960), (400, 4526), (496, 3650), (584, 3100), (620, 2920), (730, 2480), (775, 2336), (800, 2263), (992, 1825), (1168, 1550), (1240, 1460)]