1995999200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{683}}^1$

素因数の和:997

約数の個数: 144

約数和(自身を含む): 5273943696

約数和(自身を除く): 3277944496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 281, 325, 400, 416, 520, 562, 650, 683, 800, 1040, 1124, 1300, 1366, 1405, 2080, 2248, 2600, 2732, 2810, 3415, 3653, 4496, 5200, 5464, 5620, 6830, 7025, 7306, 8879, 8992, 10400, 10928, 11240, 13660, 14050, 14612, 17075, 17758, 18265, 21856, 22480, 27320, 28100, 29224, 34150, 35516, 36530, 44395, 44960, 54640, 56200, 58448, 68300, 71032, 73060, 88790, 91325, 109280, 112400, 116896, 136600, 142064, 146120, 177580, 182650, 191923, 221975, 224800, 273200, 284128, 292240, 355160, 365300, 383846, 443950, 546400, 584480, 710320, 730600, 767692, 887900, 959615, 1420640, 1461200, 1535384, 1775800, 1919230, 2494999, 2922400, 3070768, 3551600, 3838460, 4798075, 4989998, 6141536, 7103200, 7676920, 9596150, 9979996, 12474995, 15353840, 19192300, 19959992, 24949990, 30707680, 38384600, 39919984, 49899980, 62374975, 76769200, 79839968, 99799960, 124749950, 153538400, 199599920, 249499900, 399199840, 498999800, 997999600, 1995999200]

約数ペア:

[(1, 1995999200), (2, 997999600), (4, 498999800), (5, 399199840), (8, 249499900), (10, 199599920), (13, 153538400), (16, 124749950), (20, 99799960), (25, 79839968), (26, 76769200), (32, 62374975), (40, 49899980), (50, 39919984), (52, 38384600), (65, 30707680), (80, 24949990), (100, 19959992), (104, 19192300), (130, 15353840), (160, 12474995), (200, 9979996), (208, 9596150), (260, 7676920), (281, 7103200), (325, 6141536), (400, 4989998), (416, 4798075), (520, 3838460), (562, 3551600), (650, 3070768), (683, 2922400), (800, 2494999), (1040, 1919230), (1124, 1775800), (1300, 1535384), (1366, 1461200), (1405, 1420640), (2080, 959615), (2248, 887900), (2600, 767692), (2732, 730600), (2810, 710320), (3415, 584480), (3653, 546400), (4496, 443950), (5200, 383846), (5464, 365300), (5620, 355160), (6830, 292240), (7025, 284128), (7306, 273200), (8879, 224800), (8992, 221975), (10400, 191923), (10928, 182650), (11240, 177580), (13660, 146120), (14050, 142064), (14612, 136600), (17075, 116896), (17758, 112400), (18265, 109280), (21856, 91325), (22480, 88790), (27320, 73060), (28100, 71032), (29224, 68300), (34150, 58448), (35516, 56200), (36530, 54640), (44395, 44960)]