221170040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{60761}}^1$

素因数の和:60792

約数の個数: 64

約数和(自身を含む): 612480960

約数和(自身を除く): 391310920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 60761, 121522, 243044, 303805, 425327, 486088, 607610, 789893, 850654, 1215220, 1579786, 1701308, 2126635, 2430440, 3159572, 3402616, 3949465, 4253270, 5529251, 6319144, 7898930, 8506540, 11058502, 15797860, 17013080, 22117004, 27646255, 31595720, 44234008, 55292510, 110585020, 221170040]

約数ペア:

[(1, 221170040), (2, 110585020), (4, 55292510), (5, 44234008), (7, 31595720), (8, 27646255), (10, 22117004), (13, 17013080), (14, 15797860), (20, 11058502), (26, 8506540), (28, 7898930), (35, 6319144), (40, 5529251), (52, 4253270), (56, 3949465), (65, 3402616), (70, 3159572), (91, 2430440), (104, 2126635), (130, 1701308), (140, 1579786), (182, 1215220), (260, 850654), (280, 789893), (364, 607610), (455, 486088), (520, 425327), (728, 303805), (910, 243044), (1820, 121522), (3640, 60761)]