220686830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7823}}^1$

素因数の和:7881

約数の個数: 64

約数和(自身を含む): 504741888

約数和(自身を除く): 284055058

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 7823, 14105, 15646, 28210, 39115, 54761, 78230, 101699, 109522, 203398, 242513, 273805, 485026, 508495, 547610, 711893, 1016990, 1212565, 1423786, 1697591, 2425130, 3152669, 3395182, 3559465, 6305338, 7118930, 8487955, 15763345, 16975910, 22068683, 31526690, 44137366, 110343415, 220686830]

約数ペア:

[(1, 220686830), (2, 110343415), (5, 44137366), (7, 31526690), (10, 22068683), (13, 16975910), (14, 15763345), (26, 8487955), (31, 7118930), (35, 6305338), (62, 3559465), (65, 3395182), (70, 3152669), (91, 2425130), (130, 1697591), (155, 1423786), (182, 1212565), (217, 1016990), (310, 711893), (403, 547610), (434, 508495), (455, 485026), (806, 273805), (910, 242513), (1085, 203398), (2015, 109522), (2170, 101699), (2821, 78230), (4030, 54761), (5642, 39115), (7823, 28210), (14105, 15646)]