447912800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{18061}}^1$

素因数の和:18112

約数の個数: 72

約数和(自身を含む): 1128802752

約数和(自身を除く): 680889952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 6200, 12400, 18061, 24800, 36122, 72244, 90305, 144488, 180610, 288976, 361220, 451525, 559891, 577952, 722440, 903050, 1119782, 1444880, 1806100, 2239564, 2799455, 2889760, 3612200, 4479128, 5598910, 7224400, 8958256, 11197820, 13997275, 14448800, 17916512, 22395640, 27994550, 44791280, 55989100, 89582560, 111978200, 223956400, 447912800]

約数ペア:

[(1, 447912800), (2, 223956400), (4, 111978200), (5, 89582560), (8, 55989100), (10, 44791280), (16, 27994550), (20, 22395640), (25, 17916512), (31, 14448800), (32, 13997275), (40, 11197820), (50, 8958256), (62, 7224400), (80, 5598910), (100, 4479128), (124, 3612200), (155, 2889760), (160, 2799455), (200, 2239564), (248, 1806100), (310, 1444880), (400, 1119782), (496, 903050), (620, 722440), (775, 577952), (800, 559891), (992, 451525), (1240, 361220), (1550, 288976), (2480, 180610), (3100, 144488), (4960, 90305), (6200, 72244), (12400, 36122), (18061, 24800)]