389748840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1091}}^1$

素因数の和:1347

約数の個数: 128

約数和(自身を含む): 1265846400

約数和(自身を除く): 876097560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 229, 260, 312, 390, 458, 520, 687, 780, 916, 1091, 1145, 1374, 1560, 1832, 2182, 2290, 2748, 2977, 3273, 3435, 4364, 4580, 5455, 5496, 5954, 6546, 6870, 8728, 8931, 9160, 10910, 11908, 13092, 13740, 14183, 14885, 16365, 17862, 21820, 23816, 26184, 27480, 28366, 29770, 32730, 35724, 42549, 43640, 44655, 56732, 59540, 65460, 70915, 71448, 85098, 89310, 113464, 119080, 130920, 141830, 170196, 178620, 212745, 249839, 283660, 340392, 357240, 425490, 499678, 567320, 749517, 850980, 999356, 1249195, 1499034, 1701960, 1998712, 2498390, 2998068, 3247907, 3747585, 4996780, 5996136, 6495814, 7495170, 9743721, 9993560, 12991628, 14990340, 16239535, 19487442, 25983256, 29980680, 32479070, 38974884, 48718605, 64958140, 77949768, 97437210, 129916280, 194874420, 389748840]

約数ペア:

[(1, 389748840), (2, 194874420), (3, 129916280), (4, 97437210), (5, 77949768), (6, 64958140), (8, 48718605), (10, 38974884), (12, 32479070), (13, 29980680), (15, 25983256), (20, 19487442), (24, 16239535), (26, 14990340), (30, 12991628), (39, 9993560), (40, 9743721), (52, 7495170), (60, 6495814), (65, 5996136), (78, 4996780), (104, 3747585), (120, 3247907), (130, 2998068), (156, 2498390), (195, 1998712), (229, 1701960), (260, 1499034), (312, 1249195), (390, 999356), (458, 850980), (520, 749517), (687, 567320), (780, 499678), (916, 425490), (1091, 357240), (1145, 340392), (1374, 283660), (1560, 249839), (1832, 212745), (2182, 178620), (2290, 170196), (2748, 141830), (2977, 130920), (3273, 119080), (3435, 113464), (4364, 89310), (4580, 85098), (5455, 71448), (5496, 70915), (5954, 65460), (6546, 59540), (6870, 56732), (8728, 44655), (8931, 43640), (9160, 42549), (10910, 35724), (11908, 32730), (13092, 29770), (13740, 28366), (14183, 27480), (14885, 26184), (16365, 23816), (17862, 21820)]