204570450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:769

約数の個数: 144

約数和(自身を含む): 635334336

約数和(自身を除く): 430763886

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 101, 105, 126, 150, 175, 202, 210, 225, 303, 315, 350, 450, 505, 525, 606, 630, 643, 707, 909, 1010, 1050, 1286, 1414, 1515, 1575, 1818, 1929, 2121, 2525, 3030, 3150, 3215, 3535, 3858, 4242, 4501, 4545, 5050, 5787, 6363, 6430, 7070, 7575, 9002, 9090, 9645, 10605, 11574, 12726, 13503, 15150, 16075, 17675, 19290, 21210, 22505, 22725, 27006, 28935, 31815, 32150, 35350, 40509, 45010, 45450, 48225, 53025, 57870, 63630, 64943, 67515, 81018, 96450, 106050, 112525, 129886, 135030, 144675, 159075, 194829, 202545, 225050, 289350, 318150, 324715, 337575, 389658, 405090, 454601, 584487, 649430, 675150, 909202, 974145, 1012725, 1168974, 1363803, 1623575, 1948290, 2025450, 2273005, 2727606, 2922435, 3247150, 4091409, 4546010, 4870725, 5844870, 6819015, 8182818, 9741450, 11365025, 13638030, 14612175, 20457045, 22730050, 29224350, 34095075, 40914090, 68190150, 102285225, 204570450]

約数ペア:

[(1, 204570450), (2, 102285225), (3, 68190150), (5, 40914090), (6, 34095075), (7, 29224350), (9, 22730050), (10, 20457045), (14, 14612175), (15, 13638030), (18, 11365025), (21, 9741450), (25, 8182818), (30, 6819015), (35, 5844870), (42, 4870725), (45, 4546010), (50, 4091409), (63, 3247150), (70, 2922435), (75, 2727606), (90, 2273005), (101, 2025450), (105, 1948290), (126, 1623575), (150, 1363803), (175, 1168974), (202, 1012725), (210, 974145), (225, 909202), (303, 675150), (315, 649430), (350, 584487), (450, 454601), (505, 405090), (525, 389658), (606, 337575), (630, 324715), (643, 318150), (707, 289350), (909, 225050), (1010, 202545), (1050, 194829), (1286, 159075), (1414, 144675), (1515, 135030), (1575, 129886), (1818, 112525), (1929, 106050), (2121, 96450), (2525, 81018), (3030, 67515), (3150, 64943), (3215, 63630), (3535, 57870), (3858, 53025), (4242, 48225), (4501, 45450), (4545, 45010), (5050, 40509), (5787, 35350), (6363, 32150), (6430, 31815), (7070, 28935), (7575, 27006), (9002, 22725), (9090, 22505), (9645, 21210), (10605, 19290), (11574, 17675), (12726, 16075), (13503, 15150)]