280508598

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:474

約数の個数: 72

約数和(自身を含む): 644421960

約数和(自身を除く): 363913362

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 331, 414, 529, 534, 662, 801, 993, 1058, 1587, 1602, 1986, 2047, 2979, 3174, 4094, 4761, 5958, 6141, 7613, 9522, 12282, 15226, 18423, 22839, 29459, 36846, 45678, 47081, 58918, 68517, 88377, 94162, 137034, 141243, 175099, 176754, 265131, 282486, 350198, 423729, 525297, 530262, 677557, 847458, 1050594, 1355114, 1575891, 2032671, 3151782, 4065342, 6098013, 12196026, 15583811, 31167622, 46751433, 93502866, 140254299, 280508598]

約数ペア:

[(1, 280508598), (2, 140254299), (3, 93502866), (6, 46751433), (9, 31167622), (18, 15583811), (23, 12196026), (46, 6098013), (69, 4065342), (89, 3151782), (138, 2032671), (178, 1575891), (207, 1355114), (267, 1050594), (331, 847458), (414, 677557), (529, 530262), (534, 525297), (662, 423729), (801, 350198), (993, 282486), (1058, 265131), (1587, 176754), (1602, 175099), (1986, 141243), (2047, 137034), (2979, 94162), (3174, 88377), (4094, 68517), (4761, 58918), (5958, 47081), (6141, 45678), (7613, 36846), (9522, 29459), (12282, 22839), (15226, 18423)]