388557410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1707

約数の個数: 64

約数和(自身を含む): 778982400

約数和(自身を除く): 390424990

約数列:

[1, 2, 5, 10, 19, 31, 38, 41, 62, 82, 95, 155, 190, 205, 310, 410, 589, 779, 1178, 1271, 1558, 1609, 2542, 2945, 3218, 3895, 5890, 6355, 7790, 8045, 12710, 16090, 24149, 30571, 48298, 49879, 61142, 65969, 99758, 120745, 131938, 152855, 241490, 249395, 305710, 329845, 498790, 659690, 947701, 1253411, 1895402, 2045039, 2506822, 4090078, 4738505, 6267055, 9477010, 10225195, 12534110, 20450390, 38855741, 77711482, 194278705, 388557410]

約数ペア:

[(1, 388557410), (2, 194278705), (5, 77711482), (10, 38855741), (19, 20450390), (31, 12534110), (38, 10225195), (41, 9477010), (62, 6267055), (82, 4738505), (95, 4090078), (155, 2506822), (190, 2045039), (205, 1895402), (310, 1253411), (410, 947701), (589, 659690), (779, 498790), (1178, 329845), (1271, 305710), (1558, 249395), (1609, 241490), (2542, 152855), (2945, 131938), (3218, 120745), (3895, 99758), (5890, 65969), (6355, 61142), (7790, 49879), (8045, 48298), (12710, 30571), (16090, 24149)]