158220220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 374330880

約数和(自身を除く): 216110660

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 43, 46, 76, 86, 92, 95, 115, 172, 190, 215, 230, 380, 421, 430, 437, 460, 817, 842, 860, 874, 989, 1634, 1684, 1748, 1978, 2105, 2185, 3268, 3956, 4085, 4210, 4370, 4945, 7999, 8170, 8420, 8740, 9683, 9890, 15998, 16340, 18103, 18791, 19366, 19780, 31996, 36206, 37582, 38732, 39995, 48415, 72412, 75164, 79990, 90515, 93955, 96830, 159980, 181030, 183977, 187910, 193660, 343957, 362060, 367954, 375820, 416369, 687914, 735908, 832738, 919885, 1375828, 1665476, 1719785, 1839770, 2081845, 3439570, 3679540, 4163690, 6879140, 7911011, 8327380, 15822022, 31644044, 39555055, 79110110, 158220220]

約数ペア:

[(1, 158220220), (2, 79110110), (4, 39555055), (5, 31644044), (10, 15822022), (19, 8327380), (20, 7911011), (23, 6879140), (38, 4163690), (43, 3679540), (46, 3439570), (76, 2081845), (86, 1839770), (92, 1719785), (95, 1665476), (115, 1375828), (172, 919885), (190, 832738), (215, 735908), (230, 687914), (380, 416369), (421, 375820), (430, 367954), (437, 362060), (460, 343957), (817, 193660), (842, 187910), (860, 183977), (874, 181030), (989, 159980), (1634, 96830), (1684, 93955), (1748, 90515), (1978, 79990), (2105, 75164), (2185, 72412), (3268, 48415), (3956, 39995), (4085, 38732), (4210, 37582), (4370, 36206), (4945, 31996), (7999, 19780), (8170, 19366), (8420, 18791), (8740, 18103), (9683, 16340), (9890, 15998)]