387121180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 874040832

約数和(自身を除く): 486919652

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 97, 124, 155, 157, 164, 194, 205, 310, 314, 388, 410, 485, 620, 628, 785, 820, 970, 1271, 1570, 1940, 2542, 3007, 3140, 3977, 4867, 5084, 6014, 6355, 6437, 7954, 9734, 12028, 12710, 12874, 15035, 15229, 15908, 19468, 19885, 24335, 25420, 25748, 30070, 30458, 32185, 39770, 48670, 60140, 60916, 64370, 76145, 79540, 97340, 123287, 128740, 152290, 199547, 246574, 304580, 399094, 472099, 493148, 616435, 624389, 798188, 944198, 997735, 1232870, 1248778, 1888396, 1995470, 2360495, 2465740, 2497556, 3121945, 3990940, 4720990, 6243890, 9441980, 12487780, 19356059, 38712118, 77424236, 96780295, 193560590, 387121180]

約数ペア:

[(1, 387121180), (2, 193560590), (4, 96780295), (5, 77424236), (10, 38712118), (20, 19356059), (31, 12487780), (41, 9441980), (62, 6243890), (82, 4720990), (97, 3990940), (124, 3121945), (155, 2497556), (157, 2465740), (164, 2360495), (194, 1995470), (205, 1888396), (310, 1248778), (314, 1232870), (388, 997735), (410, 944198), (485, 798188), (620, 624389), (628, 616435), (785, 493148), (820, 472099), (970, 399094), (1271, 304580), (1570, 246574), (1940, 199547), (2542, 152290), (3007, 128740), (3140, 123287), (3977, 97340), (4867, 79540), (5084, 76145), (6014, 64370), (6355, 60916), (6437, 60140), (7954, 48670), (9734, 39770), (12028, 32185), (12710, 30458), (12874, 30070), (15035, 25748), (15229, 25420), (15908, 24335), (19468, 19885)]