202419920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 511369056

約数和(自身を除く): 308949136

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 163, 172, 190, 215, 304, 326, 344, 361, 380, 430, 652, 688, 722, 760, 815, 817, 860, 1304, 1444, 1520, 1630, 1634, 1720, 1805, 2608, 2888, 3097, 3260, 3268, 3440, 3610, 4085, 5776, 6194, 6520, 6536, 7009, 7220, 8170, 12388, 13040, 13072, 14018, 14440, 15485, 15523, 16340, 24776, 28036, 28880, 30970, 31046, 32680, 35045, 49552, 56072, 58843, 61940, 62092, 65360, 70090, 77615, 112144, 117686, 123880, 124184, 133171, 140180, 155230, 235372, 247760, 248368, 266342, 280360, 294215, 310460, 470744, 532684, 560720, 588430, 620920, 665855, 941488, 1065368, 1176860, 1241840, 1331710, 2130736, 2353720, 2530249, 2663420, 4707440, 5060498, 5326840, 10120996, 10653680, 12651245, 20241992, 25302490, 40483984, 50604980, 101209960, 202419920]

約数ペア:

[(1, 202419920), (2, 101209960), (4, 50604980), (5, 40483984), (8, 25302490), (10, 20241992), (16, 12651245), (19, 10653680), (20, 10120996), (38, 5326840), (40, 5060498), (43, 4707440), (76, 2663420), (80, 2530249), (86, 2353720), (95, 2130736), (152, 1331710), (163, 1241840), (172, 1176860), (190, 1065368), (215, 941488), (304, 665855), (326, 620920), (344, 588430), (361, 560720), (380, 532684), (430, 470744), (652, 310460), (688, 294215), (722, 280360), (760, 266342), (815, 248368), (817, 247760), (860, 235372), (1304, 155230), (1444, 140180), (1520, 133171), (1630, 124184), (1634, 123880), (1720, 117686), (1805, 112144), (2608, 77615), (2888, 70090), (3097, 65360), (3260, 62092), (3268, 61940), (3440, 58843), (3610, 56072), (4085, 49552), (5776, 35045), (6194, 32680), (6520, 31046), (6536, 30970), (7009, 28880), (7220, 28036), (8170, 24776), (12388, 16340), (13040, 15523), (13072, 15485), (14018, 14440)]