990157488

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2791}}^1$

素因数の和:3210

約数の個数: 80

約数和(自身を含む): 2700422400

約数和(自身を除く): 1710264912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 389, 456, 778, 912, 1167, 1556, 2334, 2791, 3112, 4668, 5582, 6224, 7391, 8373, 9336, 11164, 14782, 16746, 18672, 22173, 22328, 29564, 33492, 44346, 44656, 53029, 59128, 66984, 88692, 106058, 118256, 133968, 159087, 177384, 212116, 318174, 354768, 424232, 636348, 848464, 1085699, 1272696, 2171398, 2545392, 3257097, 4342796, 6514194, 8685592, 13028388, 17371184, 20628281, 26056776, 41256562, 52113552, 61884843, 82513124, 123769686, 165026248, 247539372, 330052496, 495078744, 990157488]

約数ペア:

[(1, 990157488), (2, 495078744), (3, 330052496), (4, 247539372), (6, 165026248), (8, 123769686), (12, 82513124), (16, 61884843), (19, 52113552), (24, 41256562), (38, 26056776), (48, 20628281), (57, 17371184), (76, 13028388), (114, 8685592), (152, 6514194), (228, 4342796), (304, 3257097), (389, 2545392), (456, 2171398), (778, 1272696), (912, 1085699), (1167, 848464), (1556, 636348), (2334, 424232), (2791, 354768), (3112, 318174), (4668, 212116), (5582, 177384), (6224, 159087), (7391, 133968), (8373, 118256), (9336, 106058), (11164, 88692), (14782, 66984), (16746, 59128), (18672, 53029), (22173, 44656), (22328, 44346), (29564, 33492)]