207877304440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21040213}}^1$

素因数の和:21040256

約数の個数: 64

約数和(自身を含む): 530213392800

約数和(自身を除く): 322336088360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 21040213, 42080426, 84160852, 105201065, 168321704, 210402130, 273522769, 399764047, 420804260, 547045538, 799528094, 841608520, 1094091076, 1367613845, 1599056188, 1998820235, 2188182152, 2735227690, 3198112376, 3997640470, 5196932611, 5470455380, 7995280940, 10393865222, 10940910760, 15990561880, 20787730444, 25984663055, 41575460888, 51969326110, 103938652220, 207877304440]

約数ペア:

[(1, 207877304440), (2, 103938652220), (4, 51969326110), (5, 41575460888), (8, 25984663055), (10, 20787730444), (13, 15990561880), (19, 10940910760), (20, 10393865222), (26, 7995280940), (38, 5470455380), (40, 5196932611), (52, 3997640470), (65, 3198112376), (76, 2735227690), (95, 2188182152), (104, 1998820235), (130, 1599056188), (152, 1367613845), (190, 1094091076), (247, 841608520), (260, 799528094), (380, 547045538), (494, 420804260), (520, 399764047), (760, 273522769), (988, 210402130), (1235, 168321704), (1976, 105201065), (2470, 84160852), (4940, 42080426), (9880, 21040213)]