74117420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3203}}^1$

素因数の和:3314

約数の個数: 48

約数和(自身を含む): 169555680

約数和(自身を除く): 95438260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 3203, 4628, 5785, 6406, 11570, 12812, 16015, 23140, 32030, 41639, 64060, 83278, 166556, 208195, 285067, 416390, 570134, 832780, 1140268, 1425335, 2850670, 3705871, 5701340, 7411742, 14823484, 18529355, 37058710, 74117420]

約数ペア:

[(1, 74117420), (2, 37058710), (4, 18529355), (5, 14823484), (10, 7411742), (13, 5701340), (20, 3705871), (26, 2850670), (52, 1425335), (65, 1140268), (89, 832780), (130, 570134), (178, 416390), (260, 285067), (356, 208195), (445, 166556), (890, 83278), (1157, 64060), (1780, 41639), (2314, 32030), (3203, 23140), (4628, 16015), (5785, 12812), (6406, 11570)]