28900200

素因数分解:

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

素因数の和:1016

約数の個数: 144

約数和(自身を含む): 104323680

約数和(自身を除く): 75423480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 700, 735, 840, 980, 983, 1050, 1176, 1225, 1400, 1470, 1960, 1966, 2100, 2450, 2940, 2949, 3675, 3932, 4200, 4900, 4915, 5880, 5898, 6881, 7350, 7864, 9800, 9830, 11796, 13762, 14700, 14745, 19660, 20643, 23592, 24575, 27524, 29400, 29490, 34405, 39320, 41286, 48167, 49150, 55048, 58980, 68810, 73725, 82572, 96334, 98300, 103215, 117960, 137620, 144501, 147450, 165144, 172025, 192668, 196600, 206430, 240835, 275240, 289002, 294900, 344050, 385336, 412860, 481670, 516075, 578004, 589800, 688100, 722505, 825720, 963340, 1032150, 1156008, 1204175, 1376200, 1445010, 1926680, 2064300, 2408350, 2890020, 3612525, 4128600, 4816700, 5780040, 7225050, 9633400, 14450100, 28900200]

約数ペア:

[(1, 28900200), (2, 14450100), (3, 9633400), (4, 7225050), (5, 5780040), (6, 4816700), (7, 4128600), (8, 3612525), (10, 2890020), (12, 2408350), (14, 2064300), (15, 1926680), (20, 1445010), (21, 1376200), (24, 1204175), (25, 1156008), (28, 1032150), (30, 963340), (35, 825720), (40, 722505), (42, 688100), (49, 589800), (50, 578004), (56, 516075), (60, 481670), (70, 412860), (75, 385336), (84, 344050), (98, 294900), (100, 289002), (105, 275240), (120, 240835), (140, 206430), (147, 196600), (150, 192668), (168, 172025), (175, 165144), (196, 147450), (200, 144501), (210, 137620), (245, 117960), (280, 103215), (294, 98300), (300, 96334), (350, 82572), (392, 73725), (420, 68810), (490, 58980), (525, 55048), (588, 49150), (600, 48167), (700, 41286), (735, 39320), (840, 34405), (980, 29490), (983, 29400), (1050, 27524), (1176, 24575), (1225, 23592), (1400, 20643), (1470, 19660), (1960, 14745), (1966, 14700), (2100, 13762), (2450, 11796), (2940, 9830), (2949, 9800), (3675, 7864), (3932, 7350), (4200, 6881), (4900, 5898), (4915, 5880)]