77620900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 205542400

約数和(自身を除く): 127921500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 73, 98, 100, 124, 140, 146, 155, 175, 196, 217, 245, 292, 310, 343, 350, 365, 434, 490, 511, 620, 686, 700, 730, 775, 868, 980, 1022, 1085, 1225, 1372, 1460, 1519, 1550, 1715, 1825, 2044, 2170, 2263, 2450, 2555, 3038, 3100, 3430, 3577, 3650, 4340, 4526, 4900, 5110, 5425, 6076, 6860, 7154, 7300, 7595, 8575, 9052, 10220, 10633, 10850, 11315, 12775, 14308, 15190, 15841, 17150, 17885, 21266, 21700, 22630, 25039, 25550, 30380, 31682, 34300, 35770, 37975, 42532, 45260, 50078, 51100, 53165, 56575, 63364, 71540, 75950, 79205, 89425, 100156, 106330, 110887, 113150, 125195, 151900, 158410, 178850, 212660, 221774, 226300, 250390, 265825, 316820, 357700, 396025, 443548, 500780, 531650, 554435, 625975, 776209, 792050, 1063300, 1108870, 1251950, 1552418, 1584100, 2217740, 2503900, 2772175, 3104836, 3881045, 5544350, 7762090, 11088700, 15524180, 19405225, 38810450, 77620900]

約数ペア:

[(1, 77620900), (2, 38810450), (4, 19405225), (5, 15524180), (7, 11088700), (10, 7762090), (14, 5544350), (20, 3881045), (25, 3104836), (28, 2772175), (31, 2503900), (35, 2217740), (49, 1584100), (50, 1552418), (62, 1251950), (70, 1108870), (73, 1063300), (98, 792050), (100, 776209), (124, 625975), (140, 554435), (146, 531650), (155, 500780), (175, 443548), (196, 396025), (217, 357700), (245, 316820), (292, 265825), (310, 250390), (343, 226300), (350, 221774), (365, 212660), (434, 178850), (490, 158410), (511, 151900), (620, 125195), (686, 113150), (700, 110887), (730, 106330), (775, 100156), (868, 89425), (980, 79205), (1022, 75950), (1085, 71540), (1225, 63364), (1372, 56575), (1460, 53165), (1519, 51100), (1550, 50078), (1715, 45260), (1825, 42532), (2044, 37975), (2170, 35770), (2263, 34300), (2450, 31682), (2555, 30380), (3038, 25550), (3100, 25039), (3430, 22630), (3577, 21700), (3650, 21266), (4340, 17885), (4526, 17150), (4900, 15841), (5110, 15190), (5425, 14308), (6076, 12775), (6860, 11315), (7154, 10850), (7300, 10633), (7595, 10220), (8575, 9052)]