28857577340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1\times {\mathrm{68477}}^1$

素因数の和:69614

約数の個数: 48

約数和(自身を含む): 63848887200

約数和(自身を除く): 34991309860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1109, 2218, 4436, 5545, 11090, 21071, 22180, 42142, 68477, 84284, 105355, 136954, 210710, 273908, 342385, 421420, 684770, 1301063, 1369540, 2602126, 5204252, 6505315, 13010630, 26021260, 75940993, 151881986, 303763972, 379704965, 759409930, 1442878867, 1518819860, 2885757734, 5771515468, 7214394335, 14428788670, 28857577340]

約数ペア:

[(1, 28857577340), (2, 14428788670), (4, 7214394335), (5, 5771515468), (10, 2885757734), (19, 1518819860), (20, 1442878867), (38, 759409930), (76, 379704965), (95, 303763972), (190, 151881986), (380, 75940993), (1109, 26021260), (2218, 13010630), (4436, 6505315), (5545, 5204252), (11090, 2602126), (21071, 1369540), (22180, 1301063), (42142, 684770), (68477, 421420), (84284, 342385), (105355, 273908), (136954, 210710)]