78295980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186419}}^1$

素因数の和:186438

約数の個数: 48

約数和(自身を含む): 250548480

約数和(自身を除く): 172252500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 186419, 372838, 559257, 745676, 932095, 1118514, 1304933, 1864190, 2237028, 2609866, 2796285, 3728380, 3914799, 5219732, 5592570, 6524665, 7829598, 11185140, 13049330, 15659196, 19573995, 26098660, 39147990, 78295980]

約数ペア:

[(1, 78295980), (2, 39147990), (3, 26098660), (4, 19573995), (5, 15659196), (6, 13049330), (7, 11185140), (10, 7829598), (12, 6524665), (14, 5592570), (15, 5219732), (20, 3914799), (21, 3728380), (28, 2796285), (30, 2609866), (35, 2237028), (42, 1864190), (60, 1304933), (70, 1118514), (84, 932095), (105, 745676), (140, 559257), (210, 372838), (420, 186419)]