207264280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 476098560

約数和(自身を除く): 268834280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 163, 166, 326, 332, 383, 415, 652, 664, 766, 815, 830, 1304, 1532, 1630, 1660, 1915, 3064, 3260, 3320, 3830, 6520, 7660, 13529, 15320, 27058, 31789, 54116, 62429, 63578, 67645, 108232, 124858, 127156, 135290, 158945, 249716, 254312, 270580, 312145, 317890, 499432, 541160, 624290, 635780, 1248580, 1271560, 2497160, 5181607, 10363214, 20726428, 25908035, 41452856, 51816070, 103632140, 207264280]

約数ペア:

[(1, 207264280), (2, 103632140), (4, 51816070), (5, 41452856), (8, 25908035), (10, 20726428), (20, 10363214), (40, 5181607), (83, 2497160), (163, 1271560), (166, 1248580), (326, 635780), (332, 624290), (383, 541160), (415, 499432), (652, 317890), (664, 312145), (766, 270580), (815, 254312), (830, 249716), (1304, 158945), (1532, 135290), (1630, 127156), (1660, 124858), (1915, 108232), (3064, 67645), (3260, 63578), (3320, 62429), (3830, 54116), (6520, 31789), (7660, 27058), (13529, 15320)]