251366970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137359}}^1$

素因数の和:137430

約数の個数: 32

約数和(自身を含む): 613175040

約数和(自身を除く): 361808070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 137359, 274718, 412077, 686795, 824154, 1373590, 2060385, 4120770, 8378899, 16757798, 25136697, 41894495, 50273394, 83788990, 125683485, 251366970]

約数ペア:

[(1, 251366970), (2, 125683485), (3, 83788990), (5, 50273394), (6, 41894495), (10, 25136697), (15, 16757798), (30, 8378899), (61, 4120770), (122, 2060385), (183, 1373590), (305, 824154), (366, 686795), (610, 412077), (915, 274718), (1830, 137359)]