218877420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27847}}^1$

素因数の和:27990

約数の個数: 48

約数和(自身を含む): 617557248

約数和(自身を除く): 398679828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 27847, 55694, 83541, 111388, 139235, 167082, 278470, 334164, 417705, 556940, 835410, 1670820, 3647957, 7295914, 10943871, 14591828, 18239785, 21887742, 36479570, 43775484, 54719355, 72959140, 109438710, 218877420]

約数ペア:

[(1, 218877420), (2, 109438710), (3, 72959140), (4, 54719355), (5, 43775484), (6, 36479570), (10, 21887742), (12, 18239785), (15, 14591828), (20, 10943871), (30, 7295914), (60, 3647957), (131, 1670820), (262, 835410), (393, 556940), (524, 417705), (655, 334164), (786, 278470), (1310, 167082), (1572, 139235), (1965, 111388), (2620, 83541), (3930, 55694), (7860, 27847)]