7740454760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 18254592000

約数和(自身を除く): 10514137240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 239, 277, 296, 316, 370, 395, 478, 554, 632, 740, 790, 956, 1108, 1195, 1385, 1480, 1580, 1912, 2216, 2390, 2770, 2923, 3160, 4780, 5540, 5846, 8843, 9560, 10249, 11080, 11692, 14615, 17686, 18881, 20498, 21883, 23384, 29230, 35372, 37762, 40996, 43766, 44215, 51245, 58460, 66203, 70744, 75524, 81992, 87532, 88430, 94405, 102490, 109415, 116920, 132406, 151048, 175064, 176860, 188810, 204980, 218830, 264812, 331015, 353720, 377620, 409960, 437660, 529624, 662030, 698597, 755240, 809671, 875320, 1324060, 1397194, 1619342, 2449511, 2648120, 2794388, 3238684, 3492985, 4048355, 4899022, 5230037, 5588776, 6477368, 6985970, 8096710, 9798044, 10460074, 12247555, 13971940, 16193420, 19596088, 20920148, 24495110, 26150185, 27943880, 32386840, 41840296, 48990220, 52300370, 97980440, 104600740, 193511369, 209201480, 387022738, 774045476, 967556845, 1548090952, 1935113690, 3870227380, 7740454760]

約数ペア:

[(1, 7740454760), (2, 3870227380), (4, 1935113690), (5, 1548090952), (8, 967556845), (10, 774045476), (20, 387022738), (37, 209201480), (40, 193511369), (74, 104600740), (79, 97980440), (148, 52300370), (158, 48990220), (185, 41840296), (239, 32386840), (277, 27943880), (296, 26150185), (316, 24495110), (370, 20920148), (395, 19596088), (478, 16193420), (554, 13971940), (632, 12247555), (740, 10460074), (790, 9798044), (956, 8096710), (1108, 6985970), (1195, 6477368), (1385, 5588776), (1480, 5230037), (1580, 4899022), (1912, 4048355), (2216, 3492985), (2390, 3238684), (2770, 2794388), (2923, 2648120), (3160, 2449511), (4780, 1619342), (5540, 1397194), (5846, 1324060), (8843, 875320), (9560, 809671), (10249, 755240), (11080, 698597), (11692, 662030), (14615, 529624), (17686, 437660), (18881, 409960), (20498, 377620), (21883, 353720), (23384, 331015), (29230, 264812), (35372, 218830), (37762, 204980), (40996, 188810), (43766, 176860), (44215, 175064), (51245, 151048), (58460, 132406), (66203, 116920), (70744, 109415), (75524, 102490), (81992, 94405), (87532, 88430)]