156624580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2345

約数の個数: 72

約数和(自身を含む): 388172736

約数和(自身を除く): 231548156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2251, 2485, 3479, 4502, 4970, 6958, 9004, 9940, 11255, 13916, 15757, 17395, 22510, 31514, 34790, 45020, 63028, 69580, 78785, 110299, 157570, 159821, 220598, 315140, 319642, 441196, 551495, 639284, 799105, 1102990, 1118747, 1598210, 2205980, 2237494, 3196420, 4474988, 5593735, 7831229, 11187470, 15662458, 22374940, 31324916, 39156145, 78312290, 156624580]

約数ペア:

[(1, 156624580), (2, 78312290), (4, 39156145), (5, 31324916), (7, 22374940), (10, 15662458), (14, 11187470), (20, 7831229), (28, 5593735), (35, 4474988), (49, 3196420), (70, 2237494), (71, 2205980), (98, 1598210), (140, 1118747), (142, 1102990), (196, 799105), (245, 639284), (284, 551495), (355, 441196), (490, 319642), (497, 315140), (710, 220598), (980, 159821), (994, 157570), (1420, 110299), (1988, 78785), (2251, 69580), (2485, 63028), (3479, 45020), (4502, 34790), (4970, 31514), (6958, 22510), (9004, 17395), (9940, 15757), (11255, 13916)]