1212100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 2999808

約数和(自身を除く): 1787708

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 31, 34, 46, 50, 62, 68, 85, 92, 100, 115, 124, 155, 170, 230, 310, 340, 391, 425, 460, 527, 575, 620, 713, 775, 782, 850, 1054, 1150, 1426, 1550, 1564, 1700, 1955, 2108, 2300, 2635, 2852, 3100, 3565, 3910, 5270, 7130, 7820, 9775, 10540, 12121, 13175, 14260, 17825, 19550, 24242, 26350, 35650, 39100, 48484, 52700, 60605, 71300, 121210, 242420, 303025, 606050, 1212100]

約数ペア:

[(1, 1212100), (2, 606050), (4, 303025), (5, 242420), (10, 121210), (17, 71300), (20, 60605), (23, 52700), (25, 48484), (31, 39100), (34, 35650), (46, 26350), (50, 24242), (62, 19550), (68, 17825), (85, 14260), (92, 13175), (100, 12121), (115, 10540), (124, 9775), (155, 7820), (170, 7130), (230, 5270), (310, 3910), (340, 3565), (391, 3100), (425, 2852), (460, 2635), (527, 2300), (575, 2108), (620, 1955), (713, 1700), (775, 1564), (782, 1550), (850, 1426), (1054, 1150)]