355561444

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 754333440

約数和(自身を除く): 398771996

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 139, 196, 217, 278, 421, 434, 556, 842, 868, 973, 1519, 1684, 1946, 2947, 3038, 3892, 4309, 5894, 6076, 6811, 8618, 11788, 13051, 13622, 17236, 20629, 26102, 27244, 30163, 41258, 52204, 58519, 60326, 82516, 91357, 117038, 120652, 182714, 211141, 234076, 365428, 409633, 422282, 639499, 819266, 844564, 1278998, 1638532, 1814089, 2557996, 2867431, 3628178, 5734862, 7256356, 11469724, 12698623, 25397246, 50794492, 88890361, 177780722, 355561444]

約数ペア:

[(1, 355561444), (2, 177780722), (4, 88890361), (7, 50794492), (14, 25397246), (28, 12698623), (31, 11469724), (49, 7256356), (62, 5734862), (98, 3628178), (124, 2867431), (139, 2557996), (196, 1814089), (217, 1638532), (278, 1278998), (421, 844564), (434, 819266), (556, 639499), (842, 422282), (868, 409633), (973, 365428), (1519, 234076), (1684, 211141), (1946, 182714), (2947, 120652), (3038, 117038), (3892, 91357), (4309, 82516), (5894, 60326), (6076, 58519), (6811, 52204), (8618, 41258), (11788, 30163), (13051, 27244), (13622, 26102), (17236, 20629)]