9100100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 21514248

約数和(自身を除く): 12414148

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 53, 68, 85, 100, 101, 106, 170, 202, 212, 265, 340, 404, 425, 505, 530, 850, 901, 1010, 1060, 1325, 1700, 1717, 1802, 2020, 2525, 2650, 3434, 3604, 4505, 5050, 5300, 5353, 6868, 8585, 9010, 10100, 10706, 17170, 18020, 21412, 22525, 26765, 34340, 42925, 45050, 53530, 85850, 90100, 91001, 107060, 133825, 171700, 182002, 267650, 364004, 455005, 535300, 910010, 1820020, 2275025, 4550050, 9100100]

約数ペア:

[(1, 9100100), (2, 4550050), (4, 2275025), (5, 1820020), (10, 910010), (17, 535300), (20, 455005), (25, 364004), (34, 267650), (50, 182002), (53, 171700), (68, 133825), (85, 107060), (100, 91001), (101, 90100), (106, 85850), (170, 53530), (202, 45050), (212, 42925), (265, 34340), (340, 26765), (404, 22525), (425, 21412), (505, 18020), (530, 17170), (850, 10706), (901, 10100), (1010, 9010), (1060, 8585), (1325, 6868), (1700, 5353), (1717, 5300), (1802, 5050), (2020, 4505), (2525, 3604), (2650, 3434)]