28401390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1026

約数の個数: 96

約数和(自身を含む): 82386720

約数和(自身を除く): 53985330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 38, 45, 51, 57, 85, 90, 95, 102, 114, 153, 170, 171, 190, 255, 285, 306, 323, 342, 510, 570, 646, 765, 855, 969, 977, 1530, 1615, 1710, 1938, 1954, 2907, 2931, 3230, 4845, 4885, 5814, 5862, 8793, 9690, 9770, 14535, 14655, 16609, 17586, 18563, 29070, 29310, 33218, 37126, 43965, 49827, 55689, 83045, 87930, 92815, 99654, 111378, 149481, 166090, 167067, 185630, 249135, 278445, 298962, 315571, 334134, 498270, 556890, 631142, 747405, 835335, 946713, 1494810, 1577855, 1670670, 1893426, 2840139, 3155710, 4733565, 5680278, 9467130, 14200695, 28401390]

約数ペア:

[(1, 28401390), (2, 14200695), (3, 9467130), (5, 5680278), (6, 4733565), (9, 3155710), (10, 2840139), (15, 1893426), (17, 1670670), (18, 1577855), (19, 1494810), (30, 946713), (34, 835335), (38, 747405), (45, 631142), (51, 556890), (57, 498270), (85, 334134), (90, 315571), (95, 298962), (102, 278445), (114, 249135), (153, 185630), (170, 167067), (171, 166090), (190, 149481), (255, 111378), (285, 99654), (306, 92815), (323, 87930), (342, 83045), (510, 55689), (570, 49827), (646, 43965), (765, 37126), (855, 33218), (969, 29310), (977, 29070), (1530, 18563), (1615, 17586), (1710, 16609), (1938, 14655), (1954, 14535), (2907, 9770), (2931, 9690), (3230, 8793), (4845, 5862), (4885, 5814)]