2262380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2817940

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 89, 124, 155, 164, 178, 205, 310, 356, 410, 445, 620, 820, 890, 1271, 1780, 2542, 2759, 3649, 5084, 5518, 6355, 7298, 11036, 12710, 13795, 14596, 18245, 25420, 27590, 36490, 55180, 72980, 113119, 226238, 452476, 565595, 1131190, 2262380]

約数ペア:

[(1, 2262380), (2, 1131190), (4, 565595), (5, 452476), (10, 226238), (20, 113119), (31, 72980), (41, 55180), (62, 36490), (82, 27590), (89, 25420), (124, 18245), (155, 14596), (164, 13795), (178, 12710), (205, 11036), (310, 7298), (356, 6355), (410, 5518), (445, 5084), (620, 3649), (820, 2759), (890, 2542), (1271, 1780)]