154507780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 383846400

約数和(自身を除く): 229338620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 223, 245, 343, 404, 446, 490, 505, 686, 707, 892, 980, 1010, 1115, 1372, 1414, 1561, 1715, 2020, 2230, 2828, 3122, 3430, 3535, 4460, 4949, 6244, 6860, 7070, 7805, 9898, 10927, 14140, 15610, 19796, 21854, 22523, 24745, 31220, 34643, 43708, 45046, 49490, 54635, 69286, 76489, 90092, 98980, 109270, 112615, 138572, 152978, 157661, 173215, 218540, 225230, 305956, 315322, 346430, 382445, 450460, 630644, 692860, 764890, 788305, 1103627, 1529780, 1576610, 2207254, 3153220, 4414508, 5518135, 7725389, 11036270, 15450778, 22072540, 30901556, 38626945, 77253890, 154507780]

約数ペア:

[(1, 154507780), (2, 77253890), (4, 38626945), (5, 30901556), (7, 22072540), (10, 15450778), (14, 11036270), (20, 7725389), (28, 5518135), (35, 4414508), (49, 3153220), (70, 2207254), (98, 1576610), (101, 1529780), (140, 1103627), (196, 788305), (202, 764890), (223, 692860), (245, 630644), (343, 450460), (404, 382445), (446, 346430), (490, 315322), (505, 305956), (686, 225230), (707, 218540), (892, 173215), (980, 157661), (1010, 152978), (1115, 138572), (1372, 112615), (1414, 109270), (1561, 98980), (1715, 90092), (2020, 76489), (2230, 69286), (2828, 54635), (3122, 49490), (3430, 45046), (3535, 43708), (4460, 34643), (4949, 31220), (6244, 24745), (6860, 22523), (7070, 21854), (7805, 19796), (9898, 15610), (10927, 14140)]