212233100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{953}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 491874768

約数和(自身を除く): 279641668

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 131, 170, 262, 340, 425, 524, 655, 850, 953, 1310, 1700, 1906, 2227, 2620, 3275, 3812, 4454, 4765, 6550, 8908, 9530, 11135, 13100, 16201, 19060, 22270, 23825, 32402, 44540, 47650, 55675, 64804, 81005, 95300, 111350, 124843, 162010, 222700, 249686, 324020, 405025, 499372, 624215, 810050, 1248430, 1620100, 2122331, 2496860, 3121075, 4244662, 6242150, 8489324, 10611655, 12484300, 21223310, 42446620, 53058275, 106116550, 212233100]

約数ペア:

[(1, 212233100), (2, 106116550), (4, 53058275), (5, 42446620), (10, 21223310), (17, 12484300), (20, 10611655), (25, 8489324), (34, 6242150), (50, 4244662), (68, 3121075), (85, 2496860), (100, 2122331), (131, 1620100), (170, 1248430), (262, 810050), (340, 624215), (425, 499372), (524, 405025), (655, 324020), (850, 249686), (953, 222700), (1310, 162010), (1700, 124843), (1906, 111350), (2227, 95300), (2620, 81005), (3275, 64804), (3812, 55675), (4454, 47650), (4765, 44540), (6550, 32402), (8908, 23825), (9530, 22270), (11135, 19060), (13100, 16201)]