202114220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18749}}^1$

素因数の和:18783

約数の個数: 72

約数和(自身を含む): 538650000

約数和(自身を除く): 336535780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 18749, 37498, 74996, 93745, 131243, 187490, 206239, 262486, 374980, 412478, 524972, 656215, 824956, 918701, 1031195, 1312430, 1443673, 1837402, 2062390, 2624860, 2887346, 3674804, 4124780, 4593505, 5774692, 7218365, 9187010, 10105711, 14436730, 18374020, 20211422, 28873460, 40422844, 50528555, 101057110, 202114220]

約数ペア:

[(1, 202114220), (2, 101057110), (4, 50528555), (5, 40422844), (7, 28873460), (10, 20211422), (11, 18374020), (14, 14436730), (20, 10105711), (22, 9187010), (28, 7218365), (35, 5774692), (44, 4593505), (49, 4124780), (55, 3674804), (70, 2887346), (77, 2624860), (98, 2062390), (110, 1837402), (140, 1443673), (154, 1312430), (196, 1031195), (220, 918701), (245, 824956), (308, 656215), (385, 524972), (490, 412478), (539, 374980), (770, 262486), (980, 206239), (1078, 187490), (1540, 131243), (2156, 93745), (2695, 74996), (5390, 37498), (10780, 18749)]