208528125

素因数分解:

$3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 393724800

約数和(自身を除く): 185196675

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 59, 65, 75, 87, 125, 145, 177, 195, 295, 325, 375, 377, 435, 625, 725, 767, 885, 975, 1131, 1475, 1625, 1711, 1875, 1885, 2175, 2301, 3125, 3625, 3835, 4425, 4875, 5133, 5655, 7375, 8125, 8555, 9375, 9425, 10875, 11505, 18125, 19175, 22125, 22243, 24375, 25665, 28275, 36875, 40625, 42775, 47125, 54375, 57525, 66729, 90625, 95875, 110625, 111215, 121875, 128325, 141375, 184375, 213875, 235625, 271875, 287625, 333645, 479375, 553125, 556075, 641625, 706875, 1069375, 1178125, 1438125, 1668225, 2396875, 2780375, 3208125, 3534375, 5346875, 7190625, 8341125, 13901875, 16040625, 41705625, 69509375, 208528125]

約数ペア:

[(1, 208528125), (3, 69509375), (5, 41705625), (13, 16040625), (15, 13901875), (25, 8341125), (29, 7190625), (39, 5346875), (59, 3534375), (65, 3208125), (75, 2780375), (87, 2396875), (125, 1668225), (145, 1438125), (177, 1178125), (195, 1069375), (295, 706875), (325, 641625), (375, 556075), (377, 553125), (435, 479375), (625, 333645), (725, 287625), (767, 271875), (885, 235625), (975, 213875), (1131, 184375), (1475, 141375), (1625, 128325), (1711, 121875), (1875, 111215), (1885, 110625), (2175, 95875), (2301, 90625), (3125, 66729), (3625, 57525), (3835, 54375), (4425, 47125), (4875, 42775), (5133, 40625), (5655, 36875), (7375, 28275), (8125, 25665), (8555, 24375), (9375, 22243), (9425, 22125), (10875, 19175), (11505, 18125)]