278313288940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1\times {\mathrm{9109}}^1$

素因数の和:9791

約数の個数: 96

約数和(自身を含む): 615914127360

約数和(自身を除く): 337600838420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 460, 508, 523, 635, 1046, 1270, 2092, 2540, 2615, 2921, 5230, 5842, 9109, 10460, 11684, 12029, 14605, 18218, 24058, 29210, 36436, 45545, 48116, 58420, 60145, 66421, 91090, 120290, 132842, 182180, 209507, 240580, 265684, 332105, 419014, 664210, 838028, 1047535, 1156843, 1328420, 1527683, 2095070, 2313686, 3055366, 4190140, 4627372, 4764007, 5784215, 6110732, 7638415, 9528014, 11568430, 15276830, 19056028, 23136860, 23820035, 26607389, 30553660, 47640070, 53214778, 95280140, 106429556, 109572161, 133036945, 219144322, 266073890, 438288644, 532147780, 547860805, 605028889, 1095721610, 1210057778, 2191443220, 2420115556, 3025144445, 6050288890, 12100577780, 13915664447, 27831328894, 55662657788, 69578322235, 139156644470, 278313288940]

約数ペア:

[(1, 278313288940), (2, 139156644470), (4, 69578322235), (5, 55662657788), (10, 27831328894), (20, 13915664447), (23, 12100577780), (46, 6050288890), (92, 3025144445), (115, 2420115556), (127, 2191443220), (230, 1210057778), (254, 1095721610), (460, 605028889), (508, 547860805), (523, 532147780), (635, 438288644), (1046, 266073890), (1270, 219144322), (2092, 133036945), (2540, 109572161), (2615, 106429556), (2921, 95280140), (5230, 53214778), (5842, 47640070), (9109, 30553660), (10460, 26607389), (11684, 23820035), (12029, 23136860), (14605, 19056028), (18218, 15276830), (24058, 11568430), (29210, 9528014), (36436, 7638415), (45545, 6110732), (48116, 5784215), (58420, 4764007), (60145, 4627372), (66421, 4190140), (91090, 3055366), (120290, 2313686), (132842, 2095070), (182180, 1527683), (209507, 1328420), (240580, 1156843), (265684, 1047535), (332105, 838028), (419014, 664210)]