2909968400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:817

約数の個数: 120

約数和(自身を含む): 7149840000

約数和(自身を除く): 4239871600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 239, 244, 305, 400, 478, 488, 499, 610, 956, 976, 998, 1195, 1220, 1525, 1912, 1996, 2390, 2440, 2495, 3050, 3824, 3992, 4780, 4880, 4990, 5975, 6100, 7984, 9560, 9980, 11950, 12200, 12475, 14579, 19120, 19960, 23900, 24400, 24950, 29158, 30439, 39920, 47800, 49900, 58316, 60878, 72895, 95600, 99800, 116632, 119261, 121756, 145790, 152195, 199600, 233264, 238522, 243512, 291580, 304390, 364475, 477044, 487024, 583160, 596305, 608780, 728950, 760975, 954088, 1166320, 1192610, 1217560, 1457900, 1521950, 1908176, 2385220, 2435120, 2915800, 2981525, 3043900, 4770440, 5831600, 5963050, 6087800, 7274921, 9540880, 11926100, 12175600, 14549842, 23852200, 29099684, 36374605, 47704400, 58199368, 72749210, 116398736, 145498420, 181873025, 290996840, 363746050, 581993680, 727492100, 1454984200, 2909968400]

約数ペア:

[(1, 2909968400), (2, 1454984200), (4, 727492100), (5, 581993680), (8, 363746050), (10, 290996840), (16, 181873025), (20, 145498420), (25, 116398736), (40, 72749210), (50, 58199368), (61, 47704400), (80, 36374605), (100, 29099684), (122, 23852200), (200, 14549842), (239, 12175600), (244, 11926100), (305, 9540880), (400, 7274921), (478, 6087800), (488, 5963050), (499, 5831600), (610, 4770440), (956, 3043900), (976, 2981525), (998, 2915800), (1195, 2435120), (1220, 2385220), (1525, 1908176), (1912, 1521950), (1996, 1457900), (2390, 1217560), (2440, 1192610), (2495, 1166320), (3050, 954088), (3824, 760975), (3992, 728950), (4780, 608780), (4880, 596305), (4990, 583160), (5975, 487024), (6100, 477044), (7984, 364475), (9560, 304390), (9980, 291580), (11950, 243512), (12200, 238522), (12475, 233264), (14579, 199600), (19120, 152195), (19960, 145790), (23900, 121756), (24400, 119261), (24950, 116632), (29158, 99800), (30439, 95600), (39920, 72895), (47800, 60878), (49900, 58316)]