221965020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{26237}}^1$

素因数の和:26299

約数の個数: 72

約数和(自身を含む): 687645504

約数和(自身を除く): 465680484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 26237, 52474, 78711, 104948, 131185, 157422, 236133, 262370, 314844, 393555, 472266, 524740, 787110, 944532, 1180665, 1233139, 1574220, 2361330, 2466278, 3699417, 4722660, 4932556, 6165695, 7398834, 11098251, 12331390, 14797668, 18497085, 22196502, 24662780, 36994170, 44393004, 55491255, 73988340, 110982510, 221965020]

約数ペア:

[(1, 221965020), (2, 110982510), (3, 73988340), (4, 55491255), (5, 44393004), (6, 36994170), (9, 24662780), (10, 22196502), (12, 18497085), (15, 14797668), (18, 12331390), (20, 11098251), (30, 7398834), (36, 6165695), (45, 4932556), (47, 4722660), (60, 3699417), (90, 2466278), (94, 2361330), (141, 1574220), (180, 1233139), (188, 1180665), (235, 944532), (282, 787110), (423, 524740), (470, 472266), (564, 393555), (705, 314844), (846, 262370), (940, 236133), (1410, 157422), (1692, 131185), (2115, 104948), (2820, 78711), (4230, 52474), (8460, 26237)]