12967300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 29998080

約数和(自身を除く): 17030780

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 47, 50, 62, 89, 94, 100, 124, 155, 178, 188, 235, 310, 356, 445, 470, 620, 775, 890, 940, 1175, 1457, 1550, 1780, 2225, 2350, 2759, 2914, 3100, 4183, 4450, 4700, 5518, 5828, 7285, 8366, 8900, 11036, 13795, 14570, 16732, 20915, 27590, 29140, 36425, 41830, 55180, 68975, 72850, 83660, 104575, 129673, 137950, 145700, 209150, 259346, 275900, 418300, 518692, 648365, 1296730, 2593460, 3241825, 6483650, 12967300]

約数ペア:

[(1, 12967300), (2, 6483650), (4, 3241825), (5, 2593460), (10, 1296730), (20, 648365), (25, 518692), (31, 418300), (47, 275900), (50, 259346), (62, 209150), (89, 145700), (94, 137950), (100, 129673), (124, 104575), (155, 83660), (178, 72850), (188, 68975), (235, 55180), (310, 41830), (356, 36425), (445, 29140), (470, 27590), (620, 20915), (775, 16732), (890, 14570), (940, 13795), (1175, 11036), (1457, 8900), (1550, 8366), (1780, 7285), (2225, 5828), (2350, 5518), (2759, 4700), (2914, 4450), (3100, 4183)]