90120100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4153}}^1$

素因数の和:4205

約数の個数: 72

約数和(自身を含む): 230763008

約数和(自身を除く): 140642908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 4153, 4340, 5425, 8306, 10850, 16612, 20765, 21700, 29071, 41530, 58142, 83060, 103825, 116284, 128743, 145355, 207650, 257486, 290710, 415300, 514972, 581420, 643715, 726775, 901201, 1287430, 1453550, 1802402, 2574860, 2907100, 3218575, 3604804, 4506005, 6437150, 9012010, 12874300, 18024020, 22530025, 45060050, 90120100]

約数ペア:

[(1, 90120100), (2, 45060050), (4, 22530025), (5, 18024020), (7, 12874300), (10, 9012010), (14, 6437150), (20, 4506005), (25, 3604804), (28, 3218575), (31, 2907100), (35, 2574860), (50, 1802402), (62, 1453550), (70, 1287430), (100, 901201), (124, 726775), (140, 643715), (155, 581420), (175, 514972), (217, 415300), (310, 290710), (350, 257486), (434, 207650), (620, 145355), (700, 128743), (775, 116284), (868, 103825), (1085, 83060), (1550, 58142), (2170, 41530), (3100, 29071), (4153, 21700), (4340, 20765), (5425, 16612), (8306, 10850)]