31622500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 85722560

約数和(自身を除く): 54100060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 130, 139, 140, 175, 182, 250, 260, 278, 325, 350, 364, 455, 500, 556, 625, 650, 695, 700, 875, 910, 973, 1250, 1300, 1390, 1625, 1750, 1807, 1820, 1946, 2275, 2500, 2780, 3250, 3475, 3500, 3614, 3892, 4375, 4550, 4865, 6500, 6950, 7228, 8125, 8750, 9035, 9100, 9730, 11375, 12649, 13900, 16250, 17375, 17500, 18070, 19460, 22750, 24325, 25298, 32500, 34750, 36140, 45175, 45500, 48650, 50596, 56875, 63245, 69500, 86875, 90350, 97300, 113750, 121625, 126490, 173750, 180700, 225875, 227500, 243250, 252980, 316225, 347500, 451750, 486500, 608125, 632450, 903500, 1129375, 1216250, 1264900, 1581125, 2258750, 2432500, 3162250, 4517500, 6324500, 7905625, 15811250, 31622500]

約数ペア:

[(1, 31622500), (2, 15811250), (4, 7905625), (5, 6324500), (7, 4517500), (10, 3162250), (13, 2432500), (14, 2258750), (20, 1581125), (25, 1264900), (26, 1216250), (28, 1129375), (35, 903500), (50, 632450), (52, 608125), (65, 486500), (70, 451750), (91, 347500), (100, 316225), (125, 252980), (130, 243250), (139, 227500), (140, 225875), (175, 180700), (182, 173750), (250, 126490), (260, 121625), (278, 113750), (325, 97300), (350, 90350), (364, 86875), (455, 69500), (500, 63245), (556, 56875), (625, 50596), (650, 48650), (695, 45500), (700, 45175), (875, 36140), (910, 34750), (973, 32500), (1250, 25298), (1300, 24325), (1390, 22750), (1625, 19460), (1750, 18070), (1807, 17500), (1820, 17375), (1946, 16250), (2275, 13900), (2500, 12649), (2780, 11375), (3250, 9730), (3475, 9100), (3500, 9035), (3614, 8750), (3892, 8125), (4375, 7228), (4550, 6950), (4865, 6500)]