428021250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:909

約数の個数: 80

約数和(自身を含む): 1078004928

約数和(自身を除く): 649983678

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 157, 250, 314, 375, 471, 625, 727, 750, 785, 942, 1250, 1454, 1570, 1875, 2181, 2355, 3635, 3750, 3925, 4362, 4710, 7270, 7850, 10905, 11775, 18175, 19625, 21810, 23550, 36350, 39250, 54525, 58875, 90875, 98125, 109050, 114139, 117750, 181750, 196250, 228278, 272625, 294375, 342417, 454375, 545250, 570695, 588750, 684834, 908750, 1141390, 1363125, 1712085, 2726250, 2853475, 3424170, 5706950, 8560425, 14267375, 17120850, 28534750, 42802125, 71336875, 85604250, 142673750, 214010625, 428021250]

約数ペア:

[(1, 428021250), (2, 214010625), (3, 142673750), (5, 85604250), (6, 71336875), (10, 42802125), (15, 28534750), (25, 17120850), (30, 14267375), (50, 8560425), (75, 5706950), (125, 3424170), (150, 2853475), (157, 2726250), (250, 1712085), (314, 1363125), (375, 1141390), (471, 908750), (625, 684834), (727, 588750), (750, 570695), (785, 545250), (942, 454375), (1250, 342417), (1454, 294375), (1570, 272625), (1875, 228278), (2181, 196250), (2355, 181750), (3635, 117750), (3750, 114139), (3925, 109050), (4362, 98125), (4710, 90875), (7270, 58875), (7850, 54525), (10905, 39250), (11775, 36350), (18175, 23550), (19625, 21810)]