156738980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1277}}^1$

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 368110008

約数和(自身を除く): 211371028

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 361, 380, 646, 722, 1277, 1292, 1444, 1615, 1805, 2554, 3230, 3610, 5108, 6137, 6385, 6460, 7220, 12274, 12770, 21709, 24263, 24548, 25540, 30685, 43418, 48526, 61370, 86836, 97052, 108545, 121315, 122740, 217090, 242630, 412471, 434180, 460997, 485260, 824942, 921994, 1649884, 1843988, 2062355, 2304985, 4124710, 4609970, 7836949, 8249420, 9219940, 15673898, 31347796, 39184745, 78369490, 156738980]

約数ペア:

[(1, 156738980), (2, 78369490), (4, 39184745), (5, 31347796), (10, 15673898), (17, 9219940), (19, 8249420), (20, 7836949), (34, 4609970), (38, 4124710), (68, 2304985), (76, 2062355), (85, 1843988), (95, 1649884), (170, 921994), (190, 824942), (323, 485260), (340, 460997), (361, 434180), (380, 412471), (646, 242630), (722, 217090), (1277, 122740), (1292, 121315), (1444, 108545), (1615, 97052), (1805, 86836), (2554, 61370), (3230, 48526), (3610, 43418), (5108, 30685), (6137, 25540), (6385, 24548), (6460, 24263), (7220, 21709), (12274, 12770)]