2207897860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{321851}}^1$

素因数の和:321881

約数の個数: 48

約数和(自身を含む): 5407113600

約数和(自身を除く): 3199215740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 321851, 643702, 1287404, 1609255, 2252957, 3218510, 4505914, 6437020, 9011828, 11264785, 15770699, 22529570, 31541398, 45059140, 63082796, 78853495, 110394893, 157706990, 220789786, 315413980, 441579572, 551974465, 1103948930, 2207897860]

約数ペア:

[(1, 2207897860), (2, 1103948930), (4, 551974465), (5, 441579572), (7, 315413980), (10, 220789786), (14, 157706990), (20, 110394893), (28, 78853495), (35, 63082796), (49, 45059140), (70, 31541398), (98, 22529570), (140, 15770699), (196, 11264785), (245, 9011828), (343, 6437020), (490, 4505914), (686, 3218510), (980, 2252957), (1372, 1609255), (1715, 1287404), (3430, 643702), (6860, 321851)]