745120340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1573

約数の個数: 96

約数和(自身を含む): 1740963840

約数和(自身を除く): 995843500

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 43, 62, 76, 86, 95, 124, 155, 172, 190, 215, 310, 380, 430, 589, 620, 817, 860, 1178, 1333, 1471, 1634, 2356, 2666, 2942, 2945, 3268, 4085, 5332, 5884, 5890, 6665, 7355, 8170, 11780, 13330, 14710, 16340, 25327, 26660, 27949, 29420, 45601, 50654, 55898, 63253, 91202, 101308, 111796, 126506, 126635, 139745, 182404, 228005, 253012, 253270, 279490, 316265, 456010, 506540, 558980, 632530, 866419, 912020, 1201807, 1265060, 1732838, 1960843, 2403614, 3465676, 3921686, 4332095, 4807228, 6009035, 7843372, 8664190, 9804215, 12018070, 17328380, 19608430, 24036140, 37256017, 39216860, 74512034, 149024068, 186280085, 372560170, 745120340]

約数ペア:

[(1, 745120340), (2, 372560170), (4, 186280085), (5, 149024068), (10, 74512034), (19, 39216860), (20, 37256017), (31, 24036140), (38, 19608430), (43, 17328380), (62, 12018070), (76, 9804215), (86, 8664190), (95, 7843372), (124, 6009035), (155, 4807228), (172, 4332095), (190, 3921686), (215, 3465676), (310, 2403614), (380, 1960843), (430, 1732838), (589, 1265060), (620, 1201807), (817, 912020), (860, 866419), (1178, 632530), (1333, 558980), (1471, 506540), (1634, 456010), (2356, 316265), (2666, 279490), (2942, 253270), (2945, 253012), (3268, 228005), (4085, 182404), (5332, 139745), (5884, 126635), (5890, 126506), (6665, 111796), (7355, 101308), (8170, 91202), (11780, 63253), (13330, 55898), (14710, 50654), (16340, 45601), (25327, 29420), (26660, 27949)]