278171940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{69197}}^1$

素因数の和:69276

約数の個数: 48

約数和(自身を含む): 790517952

約数和(自身を除く): 512346012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 69197, 138394, 207591, 276788, 345985, 415182, 691970, 830364, 1037955, 1383940, 2075910, 4151820, 4636199, 9272398, 13908597, 18544796, 23180995, 27817194, 46361990, 55634388, 69542985, 92723980, 139085970, 278171940]

約数ペア:

[(1, 278171940), (2, 139085970), (3, 92723980), (4, 69542985), (5, 55634388), (6, 46361990), (10, 27817194), (12, 23180995), (15, 18544796), (20, 13908597), (30, 9272398), (60, 4636199), (67, 4151820), (134, 2075910), (201, 1383940), (268, 1037955), (335, 830364), (402, 691970), (670, 415182), (804, 345985), (1005, 276788), (1340, 207591), (2010, 138394), (4020, 69197)]