7898800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 180

約数和(自身を含む): 24540096

約数和(自身を除く): 16641296

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 35, 40, 49, 50, 52, 56, 62, 65, 70, 80, 91, 98, 100, 104, 112, 124, 130, 140, 155, 175, 182, 196, 200, 208, 217, 245, 248, 260, 280, 310, 325, 350, 364, 392, 400, 403, 434, 455, 490, 496, 520, 560, 620, 637, 650, 700, 728, 775, 784, 806, 868, 910, 980, 1040, 1085, 1225, 1240, 1274, 1300, 1400, 1456, 1519, 1550, 1612, 1736, 1820, 1960, 2015, 2170, 2275, 2450, 2480, 2548, 2600, 2800, 2821, 3038, 3100, 3185, 3224, 3472, 3640, 3920, 4030, 4340, 4550, 4900, 5096, 5200, 5425, 5642, 6076, 6200, 6370, 6448, 7280, 7595, 8060, 8680, 9100, 9800, 10075, 10192, 10850, 11284, 12152, 12400, 12740, 14105, 15190, 15925, 16120, 17360, 18200, 19600, 19747, 20150, 21700, 22568, 24304, 25480, 28210, 30380, 31850, 32240, 36400, 37975, 39494, 40300, 43400, 45136, 50960, 56420, 60760, 63700, 70525, 75950, 78988, 80600, 86800, 98735, 112840, 121520, 127400, 141050, 151900, 157976, 161200, 197470, 225680, 254800, 282100, 303800, 315952, 394940, 493675, 564200, 607600, 789880, 987350, 1128400, 1579760, 1974700, 3949400, 7898800]

約数ペア:

[(1, 7898800), (2, 3949400), (4, 1974700), (5, 1579760), (7, 1128400), (8, 987350), (10, 789880), (13, 607600), (14, 564200), (16, 493675), (20, 394940), (25, 315952), (26, 303800), (28, 282100), (31, 254800), (35, 225680), (40, 197470), (49, 161200), (50, 157976), (52, 151900), (56, 141050), (62, 127400), (65, 121520), (70, 112840), (80, 98735), (91, 86800), (98, 80600), (100, 78988), (104, 75950), (112, 70525), (124, 63700), (130, 60760), (140, 56420), (155, 50960), (175, 45136), (182, 43400), (196, 40300), (200, 39494), (208, 37975), (217, 36400), (245, 32240), (248, 31850), (260, 30380), (280, 28210), (310, 25480), (325, 24304), (350, 22568), (364, 21700), (392, 20150), (400, 19747), (403, 19600), (434, 18200), (455, 17360), (490, 16120), (496, 15925), (520, 15190), (560, 14105), (620, 12740), (637, 12400), (650, 12152), (700, 11284), (728, 10850), (775, 10192), (784, 10075), (806, 9800), (868, 9100), (910, 8680), (980, 8060), (1040, 7595), (1085, 7280), (1225, 6448), (1240, 6370), (1274, 6200), (1300, 6076), (1400, 5642), (1456, 5425), (1519, 5200), (1550, 5096), (1612, 4900), (1736, 4550), (1820, 4340), (1960, 4030), (2015, 3920), (2170, 3640), (2275, 3472), (2450, 3224), (2480, 3185), (2548, 3100), (2600, 3038), (2800, 2821)]