28961140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 71124480

約数和(自身を除く): 42163340

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 29, 46, 52, 58, 65, 92, 115, 116, 130, 145, 167, 230, 260, 290, 299, 334, 377, 460, 580, 598, 667, 668, 754, 835, 1196, 1334, 1495, 1508, 1670, 1885, 2171, 2668, 2990, 3335, 3340, 3770, 3841, 4342, 4843, 5980, 6670, 7540, 7682, 8671, 8684, 9686, 10855, 13340, 15364, 17342, 19205, 19372, 21710, 24215, 34684, 38410, 43355, 43420, 48430, 49933, 62959, 76820, 86710, 96860, 99866, 111389, 125918, 173420, 199732, 222778, 249665, 251836, 314795, 445556, 499330, 556945, 629590, 998660, 1113890, 1259180, 1448057, 2227780, 2896114, 5792228, 7240285, 14480570, 28961140]

約数ペア:

[(1, 28961140), (2, 14480570), (4, 7240285), (5, 5792228), (10, 2896114), (13, 2227780), (20, 1448057), (23, 1259180), (26, 1113890), (29, 998660), (46, 629590), (52, 556945), (58, 499330), (65, 445556), (92, 314795), (115, 251836), (116, 249665), (130, 222778), (145, 199732), (167, 173420), (230, 125918), (260, 111389), (290, 99866), (299, 96860), (334, 86710), (377, 76820), (460, 62959), (580, 49933), (598, 48430), (667, 43420), (668, 43355), (754, 38410), (835, 34684), (1196, 24215), (1334, 21710), (1495, 19372), (1508, 19205), (1670, 17342), (1885, 15364), (2171, 13340), (2668, 10855), (2990, 9686), (3335, 8684), (3340, 8671), (3770, 7682), (3841, 7540), (4342, 6670), (4843, 5980)]