28314370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 62496000

約数和(自身を除く): 34181630

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 61, 70, 95, 122, 133, 190, 266, 305, 349, 427, 610, 665, 698, 854, 1159, 1330, 1745, 2135, 2318, 2443, 3490, 4270, 4886, 5795, 6631, 8113, 11590, 12215, 13262, 16226, 21289, 24430, 33155, 40565, 42578, 46417, 66310, 81130, 92834, 106445, 149023, 212890, 232085, 298046, 404491, 464170, 745115, 808982, 1490230, 2022455, 2831437, 4044910, 5662874, 14157185, 28314370]

約数ペア:

[(1, 28314370), (2, 14157185), (5, 5662874), (7, 4044910), (10, 2831437), (14, 2022455), (19, 1490230), (35, 808982), (38, 745115), (61, 464170), (70, 404491), (95, 298046), (122, 232085), (133, 212890), (190, 149023), (266, 106445), (305, 92834), (349, 81130), (427, 66310), (610, 46417), (665, 42578), (698, 40565), (854, 33155), (1159, 24430), (1330, 21289), (1745, 16226), (2135, 13262), (2318, 12215), (2443, 11590), (3490, 8113), (4270, 6631), (4886, 5795)]