2196400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 90

約数和(自身を含む): 5900540

約数和(自身を除く): 3704140

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 136, 152, 170, 190, 200, 272, 289, 304, 323, 340, 380, 400, 425, 475, 578, 646, 680, 760, 850, 950, 1156, 1292, 1360, 1445, 1520, 1615, 1700, 1900, 2312, 2584, 2890, 3230, 3400, 3800, 4624, 5168, 5491, 5780, 6460, 6800, 7225, 7600, 8075, 10982, 11560, 12920, 14450, 16150, 21964, 23120, 25840, 27455, 28900, 32300, 43928, 54910, 57800, 64600, 87856, 109820, 115600, 129200, 137275, 219640, 274550, 439280, 549100, 1098200, 2196400]

約数ペア:

[(1, 2196400), (2, 1098200), (4, 549100), (5, 439280), (8, 274550), (10, 219640), (16, 137275), (17, 129200), (19, 115600), (20, 109820), (25, 87856), (34, 64600), (38, 57800), (40, 54910), (50, 43928), (68, 32300), (76, 28900), (80, 27455), (85, 25840), (95, 23120), (100, 21964), (136, 16150), (152, 14450), (170, 12920), (190, 11560), (200, 10982), (272, 8075), (289, 7600), (304, 7225), (323, 6800), (340, 6460), (380, 5780), (400, 5491), (425, 5168), (475, 4624), (578, 3800), (646, 3400), (680, 3230), (760, 2890), (850, 2584), (950, 2312), (1156, 1900), (1292, 1700), (1360, 1615), (1445, 1520)]