153519940

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 395277120

約数和(自身を除く): 241757180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 139, 140, 161, 196, 230, 245, 278, 322, 343, 460, 490, 556, 644, 686, 695, 805, 973, 980, 1127, 1372, 1390, 1610, 1715, 1946, 2254, 2401, 2780, 3197, 3220, 3430, 3892, 4508, 4802, 4865, 5635, 6394, 6811, 6860, 7889, 9604, 9730, 11270, 12005, 12788, 13622, 15778, 15985, 19460, 22379, 22540, 24010, 27244, 31556, 31970, 34055, 39445, 44758, 47677, 48020, 55223, 63940, 68110, 78890, 89516, 95354, 110446, 111895, 136220, 156653, 157780, 190708, 220892, 223790, 238385, 276115, 313306, 333739, 447580, 476770, 552230, 626612, 667478, 783265, 953540, 1096571, 1104460, 1334956, 1566530, 1668695, 2193142, 3133060, 3337390, 4386284, 5482855, 6674780, 7675997, 10965710, 15351994, 21931420, 30703988, 38379985, 76759970, 153519940]

約数ペア:

[(1, 153519940), (2, 76759970), (4, 38379985), (5, 30703988), (7, 21931420), (10, 15351994), (14, 10965710), (20, 7675997), (23, 6674780), (28, 5482855), (35, 4386284), (46, 3337390), (49, 3133060), (70, 2193142), (92, 1668695), (98, 1566530), (115, 1334956), (139, 1104460), (140, 1096571), (161, 953540), (196, 783265), (230, 667478), (245, 626612), (278, 552230), (322, 476770), (343, 447580), (460, 333739), (490, 313306), (556, 276115), (644, 238385), (686, 223790), (695, 220892), (805, 190708), (973, 157780), (980, 156653), (1127, 136220), (1372, 111895), (1390, 110446), (1610, 95354), (1715, 89516), (1946, 78890), (2254, 68110), (2401, 63940), (2780, 55223), (3197, 48020), (3220, 47677), (3430, 44758), (3892, 39445), (4508, 34055), (4802, 31970), (4865, 31556), (5635, 27244), (6394, 24010), (6811, 22540), (6860, 22379), (7889, 19460), (9604, 15985), (9730, 15778), (11270, 13622), (12005, 12788)]