140720200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{131}}^2$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 337732290

約数和(自身を除く): 197012090

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 131, 164, 200, 205, 262, 328, 410, 524, 655, 820, 1025, 1048, 1310, 1640, 2050, 2620, 3275, 4100, 5240, 5371, 6550, 8200, 10742, 13100, 17161, 21484, 26200, 26855, 34322, 42968, 53710, 68644, 85805, 107420, 134275, 137288, 171610, 214840, 268550, 343220, 429025, 537100, 686440, 703601, 858050, 1074200, 1407202, 1716100, 2814404, 3432200, 3518005, 5628808, 7036010, 14072020, 17590025, 28144040, 35180050, 70360100, 140720200]

約数ペア:

[(1, 140720200), (2, 70360100), (4, 35180050), (5, 28144040), (8, 17590025), (10, 14072020), (20, 7036010), (25, 5628808), (40, 3518005), (41, 3432200), (50, 2814404), (82, 1716100), (100, 1407202), (131, 1074200), (164, 858050), (200, 703601), (205, 686440), (262, 537100), (328, 429025), (410, 343220), (524, 268550), (655, 214840), (820, 171610), (1025, 137288), (1048, 134275), (1310, 107420), (1640, 85805), (2050, 68644), (2620, 53710), (3275, 42968), (4100, 34322), (5240, 26855), (5371, 26200), (6550, 21484), (8200, 17161), (10742, 13100)]