390973156

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 825556536

約数和(自身を除く): 434583380

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 61, 98, 106, 122, 196, 212, 244, 371, 427, 617, 742, 854, 1234, 1484, 1708, 2468, 2597, 2989, 3233, 4319, 5194, 5978, 6466, 8638, 10388, 11956, 12932, 17276, 22631, 30233, 32701, 37637, 45262, 60466, 65402, 75274, 90524, 120932, 130804, 150548, 158417, 228907, 263459, 316834, 457814, 526918, 633668, 915628, 1053836, 1602349, 1844213, 1994761, 3204698, 3688426, 3989522, 6409396, 7376852, 7979044, 13963327, 27926654, 55853308, 97743289, 195486578, 390973156]

約数ペア:

[(1, 390973156), (2, 195486578), (4, 97743289), (7, 55853308), (14, 27926654), (28, 13963327), (49, 7979044), (53, 7376852), (61, 6409396), (98, 3989522), (106, 3688426), (122, 3204698), (196, 1994761), (212, 1844213), (244, 1602349), (371, 1053836), (427, 915628), (617, 633668), (742, 526918), (854, 457814), (1234, 316834), (1484, 263459), (1708, 228907), (2468, 158417), (2597, 150548), (2989, 130804), (3233, 120932), (4319, 90524), (5194, 75274), (5978, 65402), (6466, 60466), (8638, 45262), (10388, 37637), (11956, 32701), (12932, 30233), (17276, 22631)]