400255398

素因数分解:

$2^1\times 3^3\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 903536640

約数和(自身を除く): 503281242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 151, 191, 257, 302, 382, 453, 514, 573, 771, 906, 1146, 1359, 1542, 1719, 2313, 2718, 3438, 4077, 4626, 5157, 6939, 8154, 10314, 13878, 28841, 38807, 49087, 57682, 77614, 86523, 98174, 116421, 147261, 173046, 232842, 259569, 294522, 349263, 441783, 519138, 698526, 778707, 883566, 1047789, 1325349, 1557414, 2095578, 2650698, 7412137, 14824274, 22236411, 44472822, 66709233, 133418466, 200127699, 400255398]

約数ペア:

[(1, 400255398), (2, 200127699), (3, 133418466), (6, 66709233), (9, 44472822), (18, 22236411), (27, 14824274), (54, 7412137), (151, 2650698), (191, 2095578), (257, 1557414), (302, 1325349), (382, 1047789), (453, 883566), (514, 778707), (573, 698526), (771, 519138), (906, 441783), (1146, 349263), (1359, 294522), (1542, 259569), (1719, 232842), (2313, 173046), (2718, 147261), (3438, 116421), (4077, 98174), (4626, 86523), (5157, 77614), (6939, 57682), (8154, 49087), (10314, 38807), (13878, 28841)]