31929380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 80591616

約数和(自身を除く): 48662236

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, 1051, 1085, 1519, 2102, 2170, 3038, 4204, 4340, 5255, 6076, 7357, 7595, 10510, 14714, 15190, 21020, 29428, 30380, 32581, 36785, 51499, 65162, 73570, 102998, 130324, 147140, 162905, 205996, 228067, 257495, 325810, 456134, 514990, 651620, 912268, 1029980, 1140335, 1596469, 2280670, 3192938, 4561340, 6385876, 7982345, 15964690, 31929380]

約数ペア:

[(1, 31929380), (2, 15964690), (4, 7982345), (5, 6385876), (7, 4561340), (10, 3192938), (14, 2280670), (20, 1596469), (28, 1140335), (31, 1029980), (35, 912268), (49, 651620), (62, 514990), (70, 456134), (98, 325810), (124, 257495), (140, 228067), (155, 205996), (196, 162905), (217, 147140), (245, 130324), (310, 102998), (434, 73570), (490, 65162), (620, 51499), (868, 36785), (980, 32581), (1051, 30380), (1085, 29428), (1519, 21020), (2102, 15190), (2170, 14714), (3038, 10510), (4204, 7595), (4340, 7357), (5255, 6076)]