209550250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 493968384

約数和(自身を除く): 284418134

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 61, 65, 70, 91, 122, 125, 130, 151, 175, 182, 250, 302, 305, 325, 350, 427, 455, 610, 650, 755, 793, 854, 875, 910, 1057, 1510, 1525, 1586, 1625, 1750, 1963, 2114, 2135, 2275, 3050, 3250, 3775, 3926, 3965, 4270, 4550, 5285, 5551, 7550, 7625, 7930, 9211, 9815, 10570, 10675, 11102, 11375, 13741, 15250, 18422, 18875, 19630, 19825, 21350, 22750, 26425, 27482, 27755, 37750, 39650, 46055, 49075, 52850, 53375, 55510, 64477, 68705, 92110, 98150, 99125, 106750, 119743, 128954, 132125, 137410, 138775, 198250, 230275, 239486, 245375, 264250, 277550, 322385, 343525, 460550, 490750, 598715, 644770, 687050, 693875, 838201, 1151375, 1197430, 1387750, 1611925, 1676402, 1717625, 2302750, 2993575, 3223850, 3435250, 4191005, 5987150, 8059625, 8382010, 14967875, 16119250, 20955025, 29935750, 41910050, 104775125, 209550250]

約数ペア:

[(1, 209550250), (2, 104775125), (5, 41910050), (7, 29935750), (10, 20955025), (13, 16119250), (14, 14967875), (25, 8382010), (26, 8059625), (35, 5987150), (50, 4191005), (61, 3435250), (65, 3223850), (70, 2993575), (91, 2302750), (122, 1717625), (125, 1676402), (130, 1611925), (151, 1387750), (175, 1197430), (182, 1151375), (250, 838201), (302, 693875), (305, 687050), (325, 644770), (350, 598715), (427, 490750), (455, 460550), (610, 343525), (650, 322385), (755, 277550), (793, 264250), (854, 245375), (875, 239486), (910, 230275), (1057, 198250), (1510, 138775), (1525, 137410), (1586, 132125), (1625, 128954), (1750, 119743), (1963, 106750), (2114, 99125), (2135, 98150), (2275, 92110), (3050, 68705), (3250, 64477), (3775, 55510), (3926, 53375), (3965, 52850), (4270, 49075), (4550, 46055), (5285, 39650), (5551, 37750), (7550, 27755), (7625, 27482), (7930, 26425), (9211, 22750), (9815, 21350), (10570, 19825), (10675, 19630), (11102, 18875), (11375, 18422), (13741, 15250)]