77499380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2605

約数の個数: 72

約数和(自身を含む): 195503616

約数和(自身を除く): 118004236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 2551, 3038, 4340, 5102, 6076, 7595, 10204, 12755, 15190, 17857, 25510, 30380, 35714, 51020, 71428, 79081, 89285, 124999, 158162, 178570, 249998, 316324, 357140, 395405, 499996, 553567, 624995, 790810, 1107134, 1249990, 1581620, 2214268, 2499980, 2767835, 3874969, 5535670, 7749938, 11071340, 15499876, 19374845, 38749690, 77499380]

約数ペア:

[(1, 77499380), (2, 38749690), (4, 19374845), (5, 15499876), (7, 11071340), (10, 7749938), (14, 5535670), (20, 3874969), (28, 2767835), (31, 2499980), (35, 2214268), (49, 1581620), (62, 1249990), (70, 1107134), (98, 790810), (124, 624995), (140, 553567), (155, 499996), (196, 395405), (217, 357140), (245, 316324), (310, 249998), (434, 178570), (490, 158162), (620, 124999), (868, 89285), (980, 79081), (1085, 71428), (1519, 51020), (2170, 35714), (2551, 30380), (3038, 25510), (4340, 17857), (5102, 15190), (6076, 12755), (7595, 10204)]