222453520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4721}}^1$

素因数の和:4784

約数の個数: 80

約数和(自身を含む): 562106880

約数和(自身を除く): 339653360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 4721, 5890, 9424, 9442, 11780, 18884, 23560, 23605, 37768, 47120, 47210, 75536, 89699, 94420, 146351, 179398, 188840, 292702, 358796, 377680, 448495, 585404, 717592, 731755, 896990, 1170808, 1435184, 1463510, 1793980, 2341616, 2780669, 2927020, 3587960, 5561338, 5854040, 7175920, 11122676, 11708080, 13903345, 22245352, 27806690, 44490704, 55613380, 111226760, 222453520]

約数ペア:

[(1, 222453520), (2, 111226760), (4, 55613380), (5, 44490704), (8, 27806690), (10, 22245352), (16, 13903345), (19, 11708080), (20, 11122676), (31, 7175920), (38, 5854040), (40, 5561338), (62, 3587960), (76, 2927020), (80, 2780669), (95, 2341616), (124, 1793980), (152, 1463510), (155, 1435184), (190, 1170808), (248, 896990), (304, 731755), (310, 717592), (380, 585404), (496, 448495), (589, 377680), (620, 358796), (760, 292702), (1178, 188840), (1240, 179398), (1520, 146351), (2356, 94420), (2480, 89699), (2945, 75536), (4712, 47210), (4721, 47120), (5890, 37768), (9424, 23605), (9442, 23560), (11780, 18884)]