1387170020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1245

約数の個数: 96

約数和(自身を含む): 3175925760

約数和(自身を除く): 1788755740

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 89, 92, 115, 124, 155, 178, 230, 310, 356, 445, 460, 620, 713, 890, 1093, 1426, 1780, 2047, 2186, 2759, 2852, 3565, 4094, 4372, 5465, 5518, 7130, 8188, 10235, 10930, 11036, 13795, 14260, 20470, 21860, 25139, 27590, 33883, 40940, 50278, 55180, 63457, 67766, 97277, 100556, 125695, 126914, 135532, 169415, 194554, 251390, 253828, 317285, 338830, 389108, 486385, 502780, 634570, 677660, 779309, 972770, 1269140, 1558618, 1945540, 2237371, 3015587, 3117236, 3896545, 4474742, 6031174, 7793090, 8949484, 11186855, 12062348, 15077935, 15586180, 22373710, 30155870, 44747420, 60311740, 69358501, 138717002, 277434004, 346792505, 693585010, 1387170020]

約数ペア:

[(1, 1387170020), (2, 693585010), (4, 346792505), (5, 277434004), (10, 138717002), (20, 69358501), (23, 60311740), (31, 44747420), (46, 30155870), (62, 22373710), (89, 15586180), (92, 15077935), (115, 12062348), (124, 11186855), (155, 8949484), (178, 7793090), (230, 6031174), (310, 4474742), (356, 3896545), (445, 3117236), (460, 3015587), (620, 2237371), (713, 1945540), (890, 1558618), (1093, 1269140), (1426, 972770), (1780, 779309), (2047, 677660), (2186, 634570), (2759, 502780), (2852, 486385), (3565, 389108), (4094, 338830), (4372, 317285), (5465, 253828), (5518, 251390), (7130, 194554), (8188, 169415), (10235, 135532), (10930, 126914), (11036, 125695), (13795, 100556), (14260, 97277), (20470, 67766), (21860, 63457), (25139, 55180), (27590, 50278), (33883, 40940)]