978019900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5261}}^1$

素因数の和:5312

約数の個数: 108

約数和(自身を含む): 2507511384

約数和(自身を除く): 1529491484

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 169, 220, 260, 275, 286, 325, 338, 550, 572, 650, 676, 715, 845, 1100, 1300, 1430, 1690, 1859, 2860, 3380, 3575, 3718, 4225, 5261, 7150, 7436, 8450, 9295, 10522, 14300, 16900, 18590, 21044, 26305, 37180, 46475, 52610, 57871, 68393, 92950, 105220, 115742, 131525, 136786, 185900, 231484, 263050, 273572, 289355, 341965, 526100, 578710, 683930, 752323, 889109, 1157420, 1367860, 1446775, 1504646, 1709825, 1778218, 2893550, 3009292, 3419650, 3556436, 3761615, 4445545, 5787100, 6839300, 7523230, 8891090, 9780199, 15046460, 17782180, 18808075, 19560398, 22227725, 37616150, 39120796, 44455450, 48900995, 75232300, 88910900, 97801990, 195603980, 244504975, 489009950, 978019900]

約数ペア:

[(1, 978019900), (2, 489009950), (4, 244504975), (5, 195603980), (10, 97801990), (11, 88910900), (13, 75232300), (20, 48900995), (22, 44455450), (25, 39120796), (26, 37616150), (44, 22227725), (50, 19560398), (52, 18808075), (55, 17782180), (65, 15046460), (100, 9780199), (110, 8891090), (130, 7523230), (143, 6839300), (169, 5787100), (220, 4445545), (260, 3761615), (275, 3556436), (286, 3419650), (325, 3009292), (338, 2893550), (550, 1778218), (572, 1709825), (650, 1504646), (676, 1446775), (715, 1367860), (845, 1157420), (1100, 889109), (1300, 752323), (1430, 683930), (1690, 578710), (1859, 526100), (2860, 341965), (3380, 289355), (3575, 273572), (3718, 263050), (4225, 231484), (5261, 185900), (7150, 136786), (7436, 131525), (8450, 115742), (9295, 105220), (10522, 92950), (14300, 68393), (16900, 57871), (18590, 52610), (21044, 46475), (26305, 37180)]