312984875

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 482796288

約数和(自身を除く): 169811413

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 119, 125, 175, 265, 371, 397, 425, 595, 875, 901, 1325, 1855, 1985, 2125, 2779, 2975, 4505, 6307, 6625, 6749, 9275, 9925, 13895, 14875, 21041, 22525, 31535, 33745, 46375, 47243, 49625, 69475, 105205, 112625, 147287, 157675, 168725, 236215, 347375, 357697, 526025, 736435, 788375, 843625, 1181075, 1788485, 2503879, 2630125, 3682175, 5905375, 8942425, 12519395, 18410875, 44712125, 62596975, 312984875]

約数ペア:

[(1, 312984875), (5, 62596975), (7, 44712125), (17, 18410875), (25, 12519395), (35, 8942425), (53, 5905375), (85, 3682175), (119, 2630125), (125, 2503879), (175, 1788485), (265, 1181075), (371, 843625), (397, 788375), (425, 736435), (595, 526025), (875, 357697), (901, 347375), (1325, 236215), (1855, 168725), (1985, 157675), (2125, 147287), (2779, 112625), (2975, 105205), (4505, 69475), (6307, 49625), (6625, 47243), (6749, 46375), (9275, 33745), (9925, 31535), (13895, 22525), (14875, 21041)]