128378049400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{262103}}^1$

素因数の和:262229

約数の個数: 96

約数和(自身を含む): 312008601600

約数和(自身を除く): 183630552200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 79, 100, 124, 155, 158, 200, 248, 310, 316, 395, 620, 632, 775, 790, 1240, 1550, 1580, 1975, 2449, 3100, 3160, 3950, 4898, 6200, 7900, 9796, 12245, 15800, 19592, 24490, 48980, 61225, 97960, 122450, 244900, 262103, 489800, 524206, 1048412, 1310515, 2096824, 2621030, 5242060, 6552575, 8125193, 10484120, 13105150, 16250386, 20706137, 26210300, 32500772, 40625965, 41412274, 52420600, 65001544, 81251930, 82824548, 103530685, 162503860, 165649096, 203129825, 207061370, 325007720, 406259650, 414122740, 517653425, 641890247, 812519300, 828245480, 1035306850, 1283780494, 1625038600, 2070613700, 2567560988, 3209451235, 4141227400, 5135121976, 6418902470, 12837804940, 16047256175, 25675609880, 32094512350, 64189024700, 128378049400]

約数ペア:

[(1, 128378049400), (2, 64189024700), (4, 32094512350), (5, 25675609880), (8, 16047256175), (10, 12837804940), (20, 6418902470), (25, 5135121976), (31, 4141227400), (40, 3209451235), (50, 2567560988), (62, 2070613700), (79, 1625038600), (100, 1283780494), (124, 1035306850), (155, 828245480), (158, 812519300), (200, 641890247), (248, 517653425), (310, 414122740), (316, 406259650), (395, 325007720), (620, 207061370), (632, 203129825), (775, 165649096), (790, 162503860), (1240, 103530685), (1550, 82824548), (1580, 81251930), (1975, 65001544), (2449, 52420600), (3100, 41412274), (3160, 40625965), (3950, 32500772), (4898, 26210300), (6200, 20706137), (7900, 16250386), (9796, 13105150), (12245, 10484120), (15800, 8125193), (19592, 6552575), (24490, 5242060), (48980, 2621030), (61225, 2096824), (97960, 1310515), (122450, 1048412), (244900, 524206), (262103, 489800)]