2019986360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{983}}^1$

素因数の和:1221

約数の個数: 128

約数和(自身を含む): 5356108800

約数和(自身を除く): 3336122440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 179, 205, 280, 287, 328, 358, 410, 574, 716, 820, 895, 983, 1148, 1253, 1432, 1435, 1640, 1790, 1966, 2296, 2506, 2870, 3580, 3932, 4915, 5012, 5740, 6265, 6881, 7160, 7339, 7864, 9830, 10024, 11480, 12530, 13762, 14678, 19660, 25060, 27524, 29356, 34405, 36695, 39320, 40303, 50120, 51373, 55048, 58712, 68810, 73390, 80606, 102746, 137620, 146780, 161212, 175957, 201515, 205492, 256865, 275240, 282121, 293560, 322424, 351914, 403030, 410984, 513730, 564242, 703828, 806060, 879785, 1027460, 1128484, 1231699, 1407656, 1410605, 1612120, 1759570, 2054920, 2256968, 2463398, 2821210, 3519140, 4926796, 5642420, 6158495, 7038280, 7214237, 9853592, 11284840, 12316990, 14428474, 24633980, 28856948, 36071185, 49267960, 50499659, 57713896, 72142370, 100999318, 144284740, 201998636, 252498295, 288569480, 403997272, 504996590, 1009993180, 2019986360]

約数ペア:

[(1, 2019986360), (2, 1009993180), (4, 504996590), (5, 403997272), (7, 288569480), (8, 252498295), (10, 201998636), (14, 144284740), (20, 100999318), (28, 72142370), (35, 57713896), (40, 50499659), (41, 49267960), (56, 36071185), (70, 28856948), (82, 24633980), (140, 14428474), (164, 12316990), (179, 11284840), (205, 9853592), (280, 7214237), (287, 7038280), (328, 6158495), (358, 5642420), (410, 4926796), (574, 3519140), (716, 2821210), (820, 2463398), (895, 2256968), (983, 2054920), (1148, 1759570), (1253, 1612120), (1432, 1410605), (1435, 1407656), (1640, 1231699), (1790, 1128484), (1966, 1027460), (2296, 879785), (2506, 806060), (2870, 703828), (3580, 564242), (3932, 513730), (4915, 410984), (5012, 403030), (5740, 351914), (6265, 322424), (6881, 293560), (7160, 282121), (7339, 275240), (7864, 256865), (9830, 205492), (10024, 201515), (11480, 175957), (12530, 161212), (13762, 146780), (14678, 137620), (19660, 102746), (25060, 80606), (27524, 73390), (29356, 68810), (34405, 58712), (36695, 55048), (39320, 51373), (40303, 50120)]