196439880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17989}}^1$

素因数の和:18023

約数の個数: 128

約数和(自身を含む): 725356800

約数和(自身を除く): 528916920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 17989, 35978, 53967, 71956, 89945, 107934, 125923, 143912, 179890, 215868, 233857, 251846, 269835, 359780, 377769, 431736, 467714, 503692, 539670, 629615, 701571, 719560, 755538, 935428, 1007384, 1079340, 1169285, 1259230, 1403142, 1511076, 1636999, 1870856, 1888845, 2158680, 2338570, 2518460, 2806284, 3022152, 3273998, 3507855, 3777690, 4677140, 4910997, 5036920, 5612568, 6547996, 7015710, 7555380, 8184995, 9354280, 9821994, 13095992, 14031420, 15110760, 16369990, 19643988, 24554985, 28062840, 32739980, 39287976, 49109970, 65479960, 98219940, 196439880]

約数ペア:

[(1, 196439880), (2, 98219940), (3, 65479960), (4, 49109970), (5, 39287976), (6, 32739980), (7, 28062840), (8, 24554985), (10, 19643988), (12, 16369990), (13, 15110760), (14, 14031420), (15, 13095992), (20, 9821994), (21, 9354280), (24, 8184995), (26, 7555380), (28, 7015710), (30, 6547996), (35, 5612568), (39, 5036920), (40, 4910997), (42, 4677140), (52, 3777690), (56, 3507855), (60, 3273998), (65, 3022152), (70, 2806284), (78, 2518460), (84, 2338570), (91, 2158680), (104, 1888845), (105, 1870856), (120, 1636999), (130, 1511076), (140, 1403142), (156, 1259230), (168, 1169285), (182, 1079340), (195, 1007384), (210, 935428), (260, 755538), (273, 719560), (280, 701571), (312, 629615), (364, 539670), (390, 503692), (420, 467714), (455, 431736), (520, 377769), (546, 359780), (728, 269835), (780, 251846), (840, 233857), (910, 215868), (1092, 179890), (1365, 143912), (1560, 125923), (1820, 107934), (2184, 89945), (2730, 71956), (3640, 53967), (5460, 35978), (10920, 17989)]