213352860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{1481}}^1$

素因数の和:1521

約数の個数: 120

約数和(自身を含む): 697381776

約数和(自身を除く): 484028916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1481, 1715, 2058, 2401, 2940, 2962, 3430, 4116, 4443, 4802, 5145, 5924, 6860, 7203, 7405, 8886, 9604, 10290, 10367, 12005, 14406, 14810, 17772, 20580, 20734, 22215, 24010, 28812, 29620, 31101, 36015, 41468, 44430, 48020, 51835, 62202, 72030, 72569, 88860, 103670, 124404, 144060, 145138, 155505, 207340, 217707, 290276, 311010, 362845, 435414, 507983, 622020, 725690, 870828, 1015966, 1088535, 1451380, 1523949, 2031932, 2177070, 2539915, 3047898, 3555881, 4354140, 5079830, 6095796, 7111762, 7619745, 10159660, 10667643, 14223524, 15239490, 17779405, 21335286, 30478980, 35558810, 42670572, 53338215, 71117620, 106676430, 213352860]

約数ペア:

[(1, 213352860), (2, 106676430), (3, 71117620), (4, 53338215), (5, 42670572), (6, 35558810), (7, 30478980), (10, 21335286), (12, 17779405), (14, 15239490), (15, 14223524), (20, 10667643), (21, 10159660), (28, 7619745), (30, 7111762), (35, 6095796), (42, 5079830), (49, 4354140), (60, 3555881), (70, 3047898), (84, 2539915), (98, 2177070), (105, 2031932), (140, 1523949), (147, 1451380), (196, 1088535), (210, 1015966), (245, 870828), (294, 725690), (343, 622020), (420, 507983), (490, 435414), (588, 362845), (686, 311010), (735, 290276), (980, 217707), (1029, 207340), (1372, 155505), (1470, 145138), (1481, 144060), (1715, 124404), (2058, 103670), (2401, 88860), (2940, 72569), (2962, 72030), (3430, 62202), (4116, 51835), (4443, 48020), (4802, 44430), (5145, 41468), (5924, 36015), (6860, 31101), (7203, 29620), (7405, 28812), (8886, 24010), (9604, 22215), (10290, 20734), (10367, 20580), (12005, 17772), (14406, 14810)]