289063840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4542

約数の個数: 96

約数和(自身を含む): 759338496

約数和(自身を除く): 470274656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3224, 4030, 4483, 4960, 6448, 8060, 8966, 12896, 16120, 17932, 22415, 32240, 35864, 44830, 58279, 64480, 71728, 89660, 116558, 138973, 143456, 179320, 233116, 277946, 291395, 358640, 466232, 555892, 582790, 694865, 717280, 932464, 1111784, 1165580, 1389730, 1806649, 1864928, 2223568, 2331160, 2779460, 3613298, 4447136, 4662320, 5558920, 7226596, 9033245, 9324640, 11117840, 14453192, 18066490, 22235680, 28906384, 36132980, 57812768, 72265960, 144531920, 289063840]

約数ペア:

[(1, 289063840), (2, 144531920), (4, 72265960), (5, 57812768), (8, 36132980), (10, 28906384), (13, 22235680), (16, 18066490), (20, 14453192), (26, 11117840), (31, 9324640), (32, 9033245), (40, 7226596), (52, 5558920), (62, 4662320), (65, 4447136), (80, 3613298), (104, 2779460), (124, 2331160), (130, 2223568), (155, 1864928), (160, 1806649), (208, 1389730), (248, 1165580), (260, 1111784), (310, 932464), (403, 717280), (416, 694865), (496, 582790), (520, 555892), (620, 466232), (806, 358640), (992, 291395), (1040, 277946), (1240, 233116), (1612, 179320), (2015, 143456), (2080, 138973), (2480, 116558), (3224, 89660), (4030, 71728), (4483, 64480), (4960, 58279), (6448, 44830), (8060, 35864), (8966, 32240), (12896, 22415), (16120, 17932)]