305464900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 765576000

約数和(自身を除く): 460111100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 83, 95, 100, 130, 149, 166, 190, 247, 260, 298, 325, 332, 380, 415, 475, 494, 596, 650, 745, 830, 950, 988, 1079, 1235, 1300, 1490, 1577, 1660, 1900, 1937, 2075, 2158, 2470, 2831, 2980, 3154, 3725, 3874, 4150, 4316, 4940, 5395, 5662, 6175, 6308, 7450, 7748, 7885, 8300, 9685, 10790, 11324, 12350, 12367, 14155, 14900, 15770, 19370, 20501, 21580, 24700, 24734, 26975, 28310, 31540, 36803, 38740, 39425, 41002, 48425, 49468, 53950, 56620, 61835, 70775, 73606, 78850, 82004, 96850, 102505, 107900, 123670, 141550, 147212, 157700, 160771, 184015, 193700, 205010, 234973, 247340, 283100, 309175, 321542, 368030, 410020, 469946, 512525, 618350, 643084, 736060, 803855, 920075, 939892, 1025050, 1174865, 1236700, 1607710, 1840150, 2050100, 2349730, 3054649, 3215420, 3680300, 4019275, 4699460, 5874325, 6109298, 8038550, 11748650, 12218596, 15273245, 16077100, 23497300, 30546490, 61092980, 76366225, 152732450, 305464900]

約数ペア:

[(1, 305464900), (2, 152732450), (4, 76366225), (5, 61092980), (10, 30546490), (13, 23497300), (19, 16077100), (20, 15273245), (25, 12218596), (26, 11748650), (38, 8038550), (50, 6109298), (52, 5874325), (65, 4699460), (76, 4019275), (83, 3680300), (95, 3215420), (100, 3054649), (130, 2349730), (149, 2050100), (166, 1840150), (190, 1607710), (247, 1236700), (260, 1174865), (298, 1025050), (325, 939892), (332, 920075), (380, 803855), (415, 736060), (475, 643084), (494, 618350), (596, 512525), (650, 469946), (745, 410020), (830, 368030), (950, 321542), (988, 309175), (1079, 283100), (1235, 247340), (1300, 234973), (1490, 205010), (1577, 193700), (1660, 184015), (1900, 160771), (1937, 157700), (2075, 147212), (2158, 141550), (2470, 123670), (2831, 107900), (2980, 102505), (3154, 96850), (3725, 82004), (3874, 78850), (4150, 73606), (4316, 70775), (4940, 61835), (5395, 56620), (5662, 53950), (6175, 49468), (6308, 48425), (7450, 41002), (7748, 39425), (7885, 38740), (8300, 36803), (9685, 31540), (10790, 28310), (11324, 26975), (12350, 24734), (12367, 24700), (14155, 21580), (14900, 20501), (15770, 19370)]