278380930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{2713}}^1$

素因数の和:3082

約数の個数: 32

約数和(自身を含む): 519003648

約数和(自身を除く): 240622718

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 331, 662, 1655, 2713, 3310, 5426, 10261, 13565, 20522, 27130, 51305, 84103, 102610, 168206, 420515, 841030, 898003, 1796006, 4490015, 8980030, 27838093, 55676186, 139190465, 278380930]

約数ペア:

[(1, 278380930), (2, 139190465), (5, 55676186), (10, 27838093), (31, 8980030), (62, 4490015), (155, 1796006), (310, 898003), (331, 841030), (662, 420515), (1655, 168206), (2713, 102610), (3310, 84103), (5426, 51305), (10261, 27130), (13565, 20522)]