31981460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7369}}^1$

素因数の和:7416

約数の個数: 48

約数和(自身を含む): 79242240

約数和(自身を除く): 47260780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 7369, 14738, 29476, 36845, 51583, 73690, 103166, 147380, 206332, 228439, 257915, 456878, 515830, 913756, 1031660, 1142195, 1599073, 2284390, 3198146, 4568780, 6396292, 7995365, 15990730, 31981460]

約数ペア:

[(1, 31981460), (2, 15990730), (4, 7995365), (5, 6396292), (7, 4568780), (10, 3198146), (14, 2284390), (20, 1599073), (28, 1142195), (31, 1031660), (35, 913756), (62, 515830), (70, 456878), (124, 257915), (140, 228439), (155, 206332), (217, 147380), (310, 103166), (434, 73690), (620, 51583), (868, 36845), (1085, 29476), (2170, 14738), (4340, 7369)]