205519230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1607}}^1$

素因数の和:1663

約数の個数: 144

約数和(自身を含む): 643425120

約数和(自身を除く): 437905890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 49, 58, 63, 70, 87, 90, 98, 105, 126, 145, 147, 174, 203, 210, 245, 261, 290, 294, 315, 406, 435, 441, 490, 522, 609, 630, 735, 870, 882, 1015, 1218, 1305, 1421, 1470, 1607, 1827, 2030, 2205, 2610, 2842, 3045, 3214, 3654, 4263, 4410, 4821, 6090, 7105, 8035, 8526, 9135, 9642, 11249, 12789, 14210, 14463, 16070, 18270, 21315, 22498, 24105, 25578, 28926, 33747, 42630, 46603, 48210, 56245, 63945, 67494, 72315, 78743, 93206, 101241, 112490, 127890, 139809, 144630, 157486, 168735, 202482, 233015, 236229, 279618, 326221, 337470, 393715, 419427, 466030, 472458, 506205, 652442, 699045, 708687, 787430, 838854, 978663, 1012410, 1181145, 1398090, 1417374, 1631105, 1957326, 2097135, 2283547, 2362290, 2935989, 3262210, 3543435, 4194270, 4567094, 4893315, 5871978, 6850641, 7086870, 9786630, 11417735, 13701282, 14679945, 20551923, 22835470, 29359890, 34253205, 41103846, 68506410, 102759615, 205519230]

約数ペア:

[(1, 205519230), (2, 102759615), (3, 68506410), (5, 41103846), (6, 34253205), (7, 29359890), (9, 22835470), (10, 20551923), (14, 14679945), (15, 13701282), (18, 11417735), (21, 9786630), (29, 7086870), (30, 6850641), (35, 5871978), (42, 4893315), (45, 4567094), (49, 4194270), (58, 3543435), (63, 3262210), (70, 2935989), (87, 2362290), (90, 2283547), (98, 2097135), (105, 1957326), (126, 1631105), (145, 1417374), (147, 1398090), (174, 1181145), (203, 1012410), (210, 978663), (245, 838854), (261, 787430), (290, 708687), (294, 699045), (315, 652442), (406, 506205), (435, 472458), (441, 466030), (490, 419427), (522, 393715), (609, 337470), (630, 326221), (735, 279618), (870, 236229), (882, 233015), (1015, 202482), (1218, 168735), (1305, 157486), (1421, 144630), (1470, 139809), (1607, 127890), (1827, 112490), (2030, 101241), (2205, 93206), (2610, 78743), (2842, 72315), (3045, 67494), (3214, 63945), (3654, 56245), (4263, 48210), (4410, 46603), (4821, 42630), (6090, 33747), (7105, 28926), (8035, 25578), (8526, 24105), (9135, 22498), (9642, 21315), (11249, 18270), (12789, 16070), (14210, 14463)]