187532540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 431092368

約数和(自身を除く): 243559828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 169, 226, 260, 338, 452, 491, 565, 676, 845, 982, 1130, 1469, 1690, 1964, 2260, 2455, 2938, 3380, 4910, 5876, 6383, 7345, 9820, 12766, 14690, 19097, 25532, 29380, 31915, 38194, 55483, 63830, 76388, 82979, 95485, 110966, 127660, 165958, 190970, 221932, 277415, 331916, 381940, 414895, 554830, 721279, 829790, 1109660, 1442558, 1659580, 2885116, 3606395, 7212790, 9376627, 14425580, 18753254, 37506508, 46883135, 93766270, 187532540]

約数ペア:

[(1, 187532540), (2, 93766270), (4, 46883135), (5, 37506508), (10, 18753254), (13, 14425580), (20, 9376627), (26, 7212790), (52, 3606395), (65, 2885116), (113, 1659580), (130, 1442558), (169, 1109660), (226, 829790), (260, 721279), (338, 554830), (452, 414895), (491, 381940), (565, 331916), (676, 277415), (845, 221932), (982, 190970), (1130, 165958), (1469, 127660), (1690, 110966), (1964, 95485), (2260, 82979), (2455, 76388), (2938, 63830), (3380, 55483), (4910, 38194), (5876, 31915), (6383, 29380), (7345, 25532), (9820, 19097), (12766, 14690)]