248433380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2437

約数の個数: 72

約数和(自身を含む): 583398144

約数和(自身を除く): 334964764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1612, 1690, 2015, 2371, 3380, 4030, 4742, 5239, 8060, 9484, 10478, 11855, 20956, 23710, 26195, 30823, 47420, 52390, 61646, 73501, 104780, 123292, 147002, 154115, 294004, 308230, 367505, 400699, 616460, 735010, 801398, 955513, 1470020, 1602796, 1911026, 2003495, 3822052, 4006990, 4777565, 8013980, 9555130, 12421669, 19110260, 24843338, 49686676, 62108345, 124216690, 248433380]

約数ペア:

[(1, 248433380), (2, 124216690), (4, 62108345), (5, 49686676), (10, 24843338), (13, 19110260), (20, 12421669), (26, 9555130), (31, 8013980), (52, 4777565), (62, 4006990), (65, 3822052), (124, 2003495), (130, 1911026), (155, 1602796), (169, 1470020), (260, 955513), (310, 801398), (338, 735010), (403, 616460), (620, 400699), (676, 367505), (806, 308230), (845, 294004), (1612, 154115), (1690, 147002), (2015, 123292), (2371, 104780), (3380, 73501), (4030, 61646), (4742, 52390), (5239, 47420), (8060, 30823), (9484, 26195), (10478, 23710), (11855, 20956)]