78416600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 190769040

約数和(自身を除く): 112352440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 73, 82, 100, 131, 146, 164, 200, 205, 262, 292, 328, 365, 410, 524, 584, 655, 730, 820, 1025, 1048, 1310, 1460, 1640, 1825, 2050, 2620, 2920, 2993, 3275, 3650, 4100, 5240, 5371, 5986, 6550, 7300, 8200, 9563, 10742, 11972, 13100, 14600, 14965, 19126, 21484, 23944, 26200, 26855, 29930, 38252, 42968, 47815, 53710, 59860, 74825, 76504, 95630, 107420, 119720, 134275, 149650, 191260, 214840, 239075, 268550, 299300, 382520, 392083, 478150, 537100, 598600, 784166, 956300, 1074200, 1568332, 1912600, 1960415, 3136664, 3920830, 7841660, 9802075, 15683320, 19604150, 39208300, 78416600]

約数ペア:

[(1, 78416600), (2, 39208300), (4, 19604150), (5, 15683320), (8, 9802075), (10, 7841660), (20, 3920830), (25, 3136664), (40, 1960415), (41, 1912600), (50, 1568332), (73, 1074200), (82, 956300), (100, 784166), (131, 598600), (146, 537100), (164, 478150), (200, 392083), (205, 382520), (262, 299300), (292, 268550), (328, 239075), (365, 214840), (410, 191260), (524, 149650), (584, 134275), (655, 119720), (730, 107420), (820, 95630), (1025, 76504), (1048, 74825), (1310, 59860), (1460, 53710), (1640, 47815), (1825, 42968), (2050, 38252), (2620, 29930), (2920, 26855), (2993, 26200), (3275, 23944), (3650, 21484), (4100, 19126), (5240, 14965), (5371, 14600), (5986, 13100), (6550, 11972), (7300, 10742), (8200, 9563)]