71917780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 175488768

約数和(自身を除く): 103570988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 61, 92, 110, 115, 122, 220, 230, 233, 244, 253, 305, 460, 466, 506, 610, 671, 932, 1012, 1165, 1220, 1265, 1342, 1403, 2330, 2530, 2563, 2684, 2806, 3355, 4660, 5060, 5126, 5359, 5612, 6710, 7015, 10252, 10718, 12815, 13420, 14030, 14213, 15433, 21436, 25630, 26795, 28060, 28426, 30866, 51260, 53590, 56852, 58949, 61732, 71065, 77165, 107180, 117898, 142130, 154330, 156343, 235796, 284260, 294745, 308660, 312686, 326899, 589490, 625372, 653798, 781715, 1178980, 1307596, 1563430, 1634495, 3126860, 3268990, 3595889, 6537980, 7191778, 14383556, 17979445, 35958890, 71917780]

約数ペア:

[(1, 71917780), (2, 35958890), (4, 17979445), (5, 14383556), (10, 7191778), (11, 6537980), (20, 3595889), (22, 3268990), (23, 3126860), (44, 1634495), (46, 1563430), (55, 1307596), (61, 1178980), (92, 781715), (110, 653798), (115, 625372), (122, 589490), (220, 326899), (230, 312686), (233, 308660), (244, 294745), (253, 284260), (305, 235796), (460, 156343), (466, 154330), (506, 142130), (610, 117898), (671, 107180), (932, 77165), (1012, 71065), (1165, 61732), (1220, 58949), (1265, 56852), (1342, 53590), (1403, 51260), (2330, 30866), (2530, 28426), (2563, 28060), (2684, 26795), (2806, 25630), (3355, 21436), (4660, 15433), (5060, 14213), (5126, 14030), (5359, 13420), (5612, 12815), (6710, 10718), (7015, 10252)]