287444990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 604264320

約数和(自身を除く): 316819330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 109, 202, 218, 373, 505, 545, 707, 746, 763, 1010, 1090, 1414, 1526, 1865, 2611, 3535, 3730, 3815, 5222, 7070, 7630, 11009, 13055, 22018, 26110, 37673, 40657, 55045, 75346, 77063, 81314, 110090, 154126, 188365, 203285, 263711, 284599, 376730, 385315, 406570, 527422, 569198, 770630, 1318555, 1422995, 2637110, 2845990, 4106357, 8212714, 20531785, 28744499, 41063570, 57488998, 143722495, 287444990]

約数ペア:

[(1, 287444990), (2, 143722495), (5, 57488998), (7, 41063570), (10, 28744499), (14, 20531785), (35, 8212714), (70, 4106357), (101, 2845990), (109, 2637110), (202, 1422995), (218, 1318555), (373, 770630), (505, 569198), (545, 527422), (707, 406570), (746, 385315), (763, 376730), (1010, 284599), (1090, 263711), (1414, 203285), (1526, 188365), (1865, 154126), (2611, 110090), (3535, 81314), (3730, 77063), (3815, 75346), (5222, 55045), (7070, 40657), (7630, 37673), (11009, 26110), (13055, 22018)]