28576380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3581}}^1$

素因数の和:3619

約数の個数: 96

約数和(自身を含む): 96284160

約数和(自身を除く): 67707780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3581, 3990, 7162, 7980, 10743, 14324, 17905, 21486, 25067, 35810, 42972, 50134, 53715, 68039, 71620, 75201, 100268, 107430, 125335, 136078, 150402, 204117, 214860, 250670, 272156, 300804, 340195, 376005, 408234, 476273, 501340, 680390, 752010, 816468, 952546, 1020585, 1360780, 1428819, 1504020, 1905092, 2041170, 2381365, 2857638, 4082340, 4762730, 5715276, 7144095, 9525460, 14288190, 28576380]

約数ペア:

[(1, 28576380), (2, 14288190), (3, 9525460), (4, 7144095), (5, 5715276), (6, 4762730), (7, 4082340), (10, 2857638), (12, 2381365), (14, 2041170), (15, 1905092), (19, 1504020), (20, 1428819), (21, 1360780), (28, 1020585), (30, 952546), (35, 816468), (38, 752010), (42, 680390), (57, 501340), (60, 476273), (70, 408234), (76, 376005), (84, 340195), (95, 300804), (105, 272156), (114, 250670), (133, 214860), (140, 204117), (190, 150402), (210, 136078), (228, 125335), (266, 107430), (285, 100268), (380, 75201), (399, 71620), (420, 68039), (532, 53715), (570, 50134), (665, 42972), (798, 35810), (1140, 25067), (1330, 21486), (1596, 17905), (1995, 14324), (2660, 10743), (3581, 7980), (3990, 7162)]