838784080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 2157719040

約数和(自身を除く): 1318934960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 79, 80, 85, 136, 148, 158, 170, 185, 211, 272, 296, 316, 340, 370, 395, 422, 592, 629, 632, 680, 740, 790, 844, 1055, 1258, 1264, 1343, 1360, 1480, 1580, 1688, 2110, 2516, 2686, 2923, 2960, 3145, 3160, 3376, 3587, 4220, 5032, 5372, 5846, 6290, 6320, 6715, 7174, 7807, 8440, 10064, 10744, 11692, 12580, 13430, 14348, 14615, 15614, 16669, 16880, 17935, 21488, 23384, 25160, 26860, 28696, 29230, 31228, 33338, 35870, 39035, 46768, 49691, 50320, 53720, 57392, 58460, 62456, 66676, 71740, 78070, 83345, 99382, 107440, 116920, 124912, 132719, 133352, 143480, 156140, 166690, 198764, 233840, 248455, 265438, 266704, 283373, 286960, 312280, 333380, 397528, 496910, 530876, 566746, 616753, 624560, 663595, 666760, 795056, 993820, 1061752, 1133492, 1233506, 1327190, 1333520, 1416865, 1987640, 2123504, 2266984, 2467012, 2654380, 2833730, 3083765, 3975280, 4533968, 4934024, 5308760, 5667460, 6167530, 9868048, 10484801, 10617520, 11334920, 12335060, 20969602, 22669840, 24670120, 41939204, 49340240, 52424005, 83878408, 104848010, 167756816, 209696020, 419392040, 838784080]

約数ペア:

[(1, 838784080), (2, 419392040), (4, 209696020), (5, 167756816), (8, 104848010), (10, 83878408), (16, 52424005), (17, 49340240), (20, 41939204), (34, 24670120), (37, 22669840), (40, 20969602), (68, 12335060), (74, 11334920), (79, 10617520), (80, 10484801), (85, 9868048), (136, 6167530), (148, 5667460), (158, 5308760), (170, 4934024), (185, 4533968), (211, 3975280), (272, 3083765), (296, 2833730), (316, 2654380), (340, 2467012), (370, 2266984), (395, 2123504), (422, 1987640), (592, 1416865), (629, 1333520), (632, 1327190), (680, 1233506), (740, 1133492), (790, 1061752), (844, 993820), (1055, 795056), (1258, 666760), (1264, 663595), (1343, 624560), (1360, 616753), (1480, 566746), (1580, 530876), (1688, 496910), (2110, 397528), (2516, 333380), (2686, 312280), (2923, 286960), (2960, 283373), (3145, 266704), (3160, 265438), (3376, 248455), (3587, 233840), (4220, 198764), (5032, 166690), (5372, 156140), (5846, 143480), (6290, 133352), (6320, 132719), (6715, 124912), (7174, 116920), (7807, 107440), (8440, 99382), (10064, 83345), (10744, 78070), (11692, 71740), (12580, 66676), (13430, 62456), (14348, 58460), (14615, 57392), (15614, 53720), (16669, 50320), (16880, 49691), (17935, 46768), (21488, 39035), (23384, 35870), (25160, 33338), (26860, 31228), (28696, 29230)]