400375980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{39023}}^1$

素因数の和:39060

約数の個数: 96

約数和(自身を含む): 1311206400

約数和(自身を除く): 910830420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 39023, 78046, 117069, 156092, 195115, 234138, 351207, 390230, 468276, 585345, 702414, 741437, 780460, 1053621, 1170690, 1404828, 1482874, 1756035, 2107242, 2224311, 2341380, 2965748, 3512070, 3707185, 4214484, 4448622, 5268105, 6672933, 7024140, 7414370, 8897244, 10536210, 11121555, 13345866, 14828740, 20018799, 21072420, 22243110, 26691732, 33364665, 40037598, 44486220, 66729330, 80075196, 100093995, 133458660, 200187990, 400375980]

約数ペア:

[(1, 400375980), (2, 200187990), (3, 133458660), (4, 100093995), (5, 80075196), (6, 66729330), (9, 44486220), (10, 40037598), (12, 33364665), (15, 26691732), (18, 22243110), (19, 21072420), (20, 20018799), (27, 14828740), (30, 13345866), (36, 11121555), (38, 10536210), (45, 8897244), (54, 7414370), (57, 7024140), (60, 6672933), (76, 5268105), (90, 4448622), (95, 4214484), (108, 3707185), (114, 3512070), (135, 2965748), (171, 2341380), (180, 2224311), (190, 2107242), (228, 1756035), (270, 1482874), (285, 1404828), (342, 1170690), (380, 1053621), (513, 780460), (540, 741437), (570, 702414), (684, 585345), (855, 468276), (1026, 390230), (1140, 351207), (1710, 234138), (2052, 195115), (2565, 156092), (3420, 117069), (5130, 78046), (10260, 39023)]