243100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:55

約数の個数: 72

約数和(自身を含む): 656208

約数和(自身を除く): 413108

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 25, 26, 34, 44, 50, 52, 55, 65, 68, 85, 100, 110, 130, 143, 170, 187, 220, 221, 260, 275, 286, 325, 340, 374, 425, 442, 550, 572, 650, 715, 748, 850, 884, 935, 1100, 1105, 1300, 1430, 1700, 1870, 2210, 2431, 2860, 3575, 3740, 4420, 4675, 4862, 5525, 7150, 9350, 9724, 11050, 12155, 14300, 18700, 22100, 24310, 48620, 60775, 121550, 243100]

約数ペア:

[(1, 243100), (2, 121550), (4, 60775), (5, 48620), (10, 24310), (11, 22100), (13, 18700), (17, 14300), (20, 12155), (22, 11050), (25, 9724), (26, 9350), (34, 7150), (44, 5525), (50, 4862), (52, 4675), (55, 4420), (65, 3740), (68, 3575), (85, 2860), (100, 2431), (110, 2210), (130, 1870), (143, 1700), (170, 1430), (187, 1300), (220, 1105), (221, 1100), (260, 935), (275, 884), (286, 850), (325, 748), (340, 715), (374, 650), (425, 572), (442, 550)]