311907660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 889056000

約数和(自身を除く): 577148340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 149, 251, 278, 298, 417, 447, 502, 556, 596, 695, 745, 753, 834, 894, 1004, 1255, 1390, 1490, 1506, 1668, 1788, 2085, 2235, 2510, 2780, 2980, 3012, 3765, 4170, 4470, 5020, 7530, 8340, 8940, 15060, 20711, 34889, 37399, 41422, 62133, 69778, 74798, 82844, 103555, 104667, 112197, 124266, 139556, 149596, 174445, 186995, 207110, 209334, 224394, 248532, 310665, 348890, 373990, 414220, 418668, 448788, 523335, 560985, 621330, 697780, 747980, 1046670, 1121970, 1242660, 2093340, 2243940, 5198461, 10396922, 15595383, 20793844, 25992305, 31190766, 51984610, 62381532, 77976915, 103969220, 155953830, 311907660]

約数ペア:

[(1, 311907660), (2, 155953830), (3, 103969220), (4, 77976915), (5, 62381532), (6, 51984610), (10, 31190766), (12, 25992305), (15, 20793844), (20, 15595383), (30, 10396922), (60, 5198461), (139, 2243940), (149, 2093340), (251, 1242660), (278, 1121970), (298, 1046670), (417, 747980), (447, 697780), (502, 621330), (556, 560985), (596, 523335), (695, 448788), (745, 418668), (753, 414220), (834, 373990), (894, 348890), (1004, 310665), (1255, 248532), (1390, 224394), (1490, 209334), (1506, 207110), (1668, 186995), (1788, 174445), (2085, 149596), (2235, 139556), (2510, 124266), (2780, 112197), (2980, 104667), (3012, 103555), (3765, 82844), (4170, 74798), (4470, 69778), (5020, 62133), (7530, 41422), (8340, 37399), (8940, 34889), (15060, 20711)]