3949400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 11874240

約数和(自身を除く): 7924840

約数列:

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

約数ペア:

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