255856822120

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3511}}^1\times {\mathrm{12227}}^1$

素因数の和:15898

約数の個数: 64

約数和(自身を含む): 579753936000

約数和(自身を除く): 323897113880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 3511, 5960, 7022, 12227, 14044, 17555, 24454, 28088, 35110, 48908, 61135, 70220, 97816, 122270, 140440, 244540, 489080, 523139, 1046278, 1821823, 2092556, 2615695, 3643646, 4185112, 5231390, 7287292, 9109115, 10462780, 14574584, 18218230, 20925560, 36436460, 42928997, 72872920, 85857994, 171715988, 214644985, 343431976, 429289970, 858579940, 1717159880, 6396420553, 12792841106, 25585682212, 31982102765, 51171364424, 63964205530, 127928411060, 255856822120]

約数ペア:

[(1, 255856822120), (2, 127928411060), (4, 63964205530), (5, 51171364424), (8, 31982102765), (10, 25585682212), (20, 12792841106), (40, 6396420553), (149, 1717159880), (298, 858579940), (596, 429289970), (745, 343431976), (1192, 214644985), (1490, 171715988), (2980, 85857994), (3511, 72872920), (5960, 42928997), (7022, 36436460), (12227, 20925560), (14044, 18218230), (17555, 14574584), (24454, 10462780), (28088, 9109115), (35110, 7287292), (48908, 5231390), (61135, 4185112), (70220, 3643646), (97816, 2615695), (122270, 2092556), (140440, 1821823), (244540, 1046278), (489080, 523139)]