428964980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1\times {\mathrm{1013}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 932166144

約数和(自身を除く): 503201164

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 683, 1013, 1366, 2026, 2732, 3415, 4052, 5065, 6830, 10130, 13660, 20260, 21173, 31403, 42346, 62806, 84692, 105865, 125612, 157015, 211730, 314030, 423460, 628060, 691879, 1383758, 2767516, 3459395, 6918790, 13837580, 21448249, 42896498, 85792996, 107241245, 214482490, 428964980]

約数ペア:

[(1, 428964980), (2, 214482490), (4, 107241245), (5, 85792996), (10, 42896498), (20, 21448249), (31, 13837580), (62, 6918790), (124, 3459395), (155, 2767516), (310, 1383758), (620, 691879), (683, 628060), (1013, 423460), (1366, 314030), (2026, 211730), (2732, 157015), (3415, 125612), (4052, 105865), (5065, 84692), (6830, 62806), (10130, 42346), (13660, 31403), (20260, 21173)]