38393420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 89956944

約数和(自身を除く): 51563524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 307, 338, 370, 481, 614, 676, 740, 845, 962, 1228, 1535, 1690, 1924, 2405, 3070, 3380, 3991, 4810, 6140, 6253, 7982, 9620, 11359, 12506, 15964, 19955, 22718, 25012, 31265, 39910, 45436, 51883, 56795, 62530, 79820, 103766, 113590, 125060, 147667, 207532, 227180, 259415, 295334, 518830, 590668, 738335, 1037660, 1476670, 1919671, 2953340, 3839342, 7678684, 9598355, 19196710, 38393420]

約数ペア:

[(1, 38393420), (2, 19196710), (4, 9598355), (5, 7678684), (10, 3839342), (13, 2953340), (20, 1919671), (26, 1476670), (37, 1037660), (52, 738335), (65, 590668), (74, 518830), (130, 295334), (148, 259415), (169, 227180), (185, 207532), (260, 147667), (307, 125060), (338, 113590), (370, 103766), (481, 79820), (614, 62530), (676, 56795), (740, 51883), (845, 45436), (962, 39910), (1228, 31265), (1535, 25012), (1690, 22718), (1924, 19955), (2405, 15964), (3070, 12506), (3380, 11359), (3991, 9620), (4810, 7982), (6140, 6253)]