99782800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 120

約数和(自身を含む): 266927360

約数和(自身を除く): 167144560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 619, 620, 650, 775, 806, 1040, 1238, 1240, 1300, 1550, 1612, 2015, 2476, 2480, 2600, 3095, 3100, 3224, 4030, 4952, 5200, 6190, 6200, 6448, 8047, 8060, 9904, 10075, 12380, 12400, 15475, 16094, 16120, 19189, 20150, 24760, 30950, 32188, 32240, 38378, 40235, 40300, 49520, 61900, 64376, 76756, 80470, 80600, 95945, 123800, 128752, 153512, 160940, 161200, 191890, 201175, 247600, 249457, 307024, 321880, 383780, 402350, 479725, 498914, 643760, 767560, 804700, 959450, 997828, 1247285, 1535120, 1609400, 1918900, 1995656, 2494570, 3218800, 3837800, 3991312, 4989140, 6236425, 7675600, 9978280, 12472850, 19956560, 24945700, 49891400, 99782800]

約数ペア:

[(1, 99782800), (2, 49891400), (4, 24945700), (5, 19956560), (8, 12472850), (10, 9978280), (13, 7675600), (16, 6236425), (20, 4989140), (25, 3991312), (26, 3837800), (31, 3218800), (40, 2494570), (50, 1995656), (52, 1918900), (62, 1609400), (65, 1535120), (80, 1247285), (100, 997828), (104, 959450), (124, 804700), (130, 767560), (155, 643760), (200, 498914), (208, 479725), (248, 402350), (260, 383780), (310, 321880), (325, 307024), (400, 249457), (403, 247600), (496, 201175), (520, 191890), (619, 161200), (620, 160940), (650, 153512), (775, 128752), (806, 123800), (1040, 95945), (1238, 80600), (1240, 80470), (1300, 76756), (1550, 64376), (1612, 61900), (2015, 49520), (2476, 40300), (2480, 40235), (2600, 38378), (3095, 32240), (3100, 32188), (3224, 30950), (4030, 24760), (4952, 20150), (5200, 19189), (6190, 16120), (6200, 16094), (6448, 15475), (8047, 12400), (8060, 12380), (9904, 10075)]