203431340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 523653984

約数和(自身を除く): 320222644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 61, 70, 82, 83, 98, 122, 140, 164, 166, 196, 205, 244, 245, 287, 305, 332, 410, 415, 427, 490, 574, 581, 610, 820, 830, 854, 980, 1148, 1162, 1220, 1435, 1660, 1708, 2009, 2135, 2324, 2501, 2870, 2905, 2989, 3403, 4018, 4067, 4270, 5002, 5063, 5740, 5810, 5978, 6806, 8036, 8134, 8540, 10004, 10045, 10126, 11620, 11956, 12505, 13612, 14945, 16268, 17015, 17507, 20090, 20252, 20335, 23821, 25010, 25315, 29890, 34030, 35014, 35441, 40180, 40670, 47642, 50020, 50630, 59780, 68060, 70028, 70882, 81340, 87535, 95284, 101260, 119105, 122549, 141764, 166747, 175070, 177205, 207583, 238210, 245098, 248087, 333494, 350140, 354410, 415166, 476420, 490196, 496174, 612745, 666988, 708820, 830332, 833735, 992348, 1037915, 1225490, 1240435, 1453081, 1667470, 2075830, 2450980, 2480870, 2906162, 3334940, 4151660, 4961740, 5812324, 7265405, 10171567, 14530810, 20343134, 29061620, 40686268, 50857835, 101715670, 203431340]

約数ペア:

[(1, 203431340), (2, 101715670), (4, 50857835), (5, 40686268), (7, 29061620), (10, 20343134), (14, 14530810), (20, 10171567), (28, 7265405), (35, 5812324), (41, 4961740), (49, 4151660), (61, 3334940), (70, 2906162), (82, 2480870), (83, 2450980), (98, 2075830), (122, 1667470), (140, 1453081), (164, 1240435), (166, 1225490), (196, 1037915), (205, 992348), (244, 833735), (245, 830332), (287, 708820), (305, 666988), (332, 612745), (410, 496174), (415, 490196), (427, 476420), (490, 415166), (574, 354410), (581, 350140), (610, 333494), (820, 248087), (830, 245098), (854, 238210), (980, 207583), (1148, 177205), (1162, 175070), (1220, 166747), (1435, 141764), (1660, 122549), (1708, 119105), (2009, 101260), (2135, 95284), (2324, 87535), (2501, 81340), (2870, 70882), (2905, 70028), (2989, 68060), (3403, 59780), (4018, 50630), (4067, 50020), (4270, 47642), (5002, 40670), (5063, 40180), (5740, 35441), (5810, 35014), (5978, 34030), (6806, 29890), (8036, 25315), (8134, 25010), (8540, 23821), (10004, 20335), (10045, 20252), (10126, 20090), (11620, 17507), (11956, 17015), (12505, 16268), (13612, 14945)]