28613130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 86704128

約数和(自身を除く): 58090998

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 47, 65, 70, 78, 91, 94, 105, 130, 141, 182, 195, 210, 223, 235, 273, 282, 329, 390, 446, 455, 470, 546, 611, 658, 669, 705, 910, 987, 1115, 1222, 1338, 1365, 1410, 1561, 1645, 1833, 1974, 2230, 2730, 2899, 3055, 3122, 3290, 3345, 3666, 4277, 4683, 4935, 5798, 6110, 6690, 7805, 8554, 8697, 9165, 9366, 9870, 10481, 12831, 14495, 15610, 17394, 18330, 20293, 20962, 21385, 23415, 25662, 28990, 31443, 40586, 42770, 43485, 46830, 52405, 60879, 62886, 64155, 73367, 86970, 101465, 104810, 121758, 128310, 136253, 146734, 157215, 202930, 220101, 272506, 304395, 314430, 366835, 408759, 440202, 608790, 681265, 733670, 817518, 953771, 1100505, 1362530, 1907542, 2043795, 2201010, 2861313, 4087590, 4768855, 5722626, 9537710, 14306565, 28613130]

約数ペア:

[(1, 28613130), (2, 14306565), (3, 9537710), (5, 5722626), (6, 4768855), (7, 4087590), (10, 2861313), (13, 2201010), (14, 2043795), (15, 1907542), (21, 1362530), (26, 1100505), (30, 953771), (35, 817518), (39, 733670), (42, 681265), (47, 608790), (65, 440202), (70, 408759), (78, 366835), (91, 314430), (94, 304395), (105, 272506), (130, 220101), (141, 202930), (182, 157215), (195, 146734), (210, 136253), (223, 128310), (235, 121758), (273, 104810), (282, 101465), (329, 86970), (390, 73367), (446, 64155), (455, 62886), (470, 60879), (546, 52405), (611, 46830), (658, 43485), (669, 42770), (705, 40586), (910, 31443), (987, 28990), (1115, 25662), (1222, 23415), (1338, 21385), (1365, 20962), (1410, 20293), (1561, 18330), (1645, 17394), (1833, 15610), (1974, 14495), (2230, 12831), (2730, 10481), (2899, 9870), (3055, 9366), (3122, 9165), (3290, 8697), (3345, 8554), (3666, 7805), (4277, 6690), (4683, 6110), (4935, 5798)]