389939940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55547}}^1$

素因数の和:55578

約数の個数: 96

約数和(自身を含む): 1306488960

約数和(自身を除く): 916549020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 55547, 111094, 166641, 222188, 277735, 333282, 499923, 555470, 666564, 722111, 833205, 999846, 1110940, 1444222, 1499769, 1666410, 1999692, 2166333, 2499615, 2888444, 2999538, 3332820, 3610555, 4332666, 4999230, 5999076, 6498999, 7221110, 7498845, 8665332, 9998460, 10831665, 12997998, 14442220, 14997690, 19496997, 21663330, 25995996, 29995380, 32494995, 38993994, 43326660, 64989990, 77987988, 97484985, 129979980, 194969970, 389939940]

約数ペア:

[(1, 389939940), (2, 194969970), (3, 129979980), (4, 97484985), (5, 77987988), (6, 64989990), (9, 43326660), (10, 38993994), (12, 32494995), (13, 29995380), (15, 25995996), (18, 21663330), (20, 19496997), (26, 14997690), (27, 14442220), (30, 12997998), (36, 10831665), (39, 9998460), (45, 8665332), (52, 7498845), (54, 7221110), (60, 6498999), (65, 5999076), (78, 4999230), (90, 4332666), (108, 3610555), (117, 3332820), (130, 2999538), (135, 2888444), (156, 2499615), (180, 2166333), (195, 1999692), (234, 1666410), (260, 1499769), (270, 1444222), (351, 1110940), (390, 999846), (468, 833205), (540, 722111), (585, 666564), (702, 555470), (780, 499923), (1170, 333282), (1404, 277735), (1755, 222188), (2340, 166641), (3510, 111094), (7020, 55547)]