28459550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 64948224

約数和(自身を除く): 36488674

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 43, 50, 61, 62, 70, 86, 122, 155, 175, 215, 217, 301, 305, 310, 350, 427, 430, 434, 602, 610, 775, 854, 1075, 1085, 1333, 1505, 1525, 1550, 1891, 2135, 2150, 2170, 2623, 2666, 3010, 3050, 3782, 4270, 5246, 5425, 6665, 7525, 9331, 9455, 10675, 10850, 13115, 13237, 13330, 15050, 18361, 18662, 18910, 21350, 26230, 26474, 33325, 36722, 46655, 47275, 65575, 66185, 66650, 81313, 91805, 93310, 94550, 131150, 132370, 162626, 183610, 233275, 330925, 406565, 459025, 466550, 569191, 661850, 813130, 918050, 1138382, 2032825, 2845955, 4065650, 5691910, 14229775, 28459550]

約数ペア:

[(1, 28459550), (2, 14229775), (5, 5691910), (7, 4065650), (10, 2845955), (14, 2032825), (25, 1138382), (31, 918050), (35, 813130), (43, 661850), (50, 569191), (61, 466550), (62, 459025), (70, 406565), (86, 330925), (122, 233275), (155, 183610), (175, 162626), (215, 132370), (217, 131150), (301, 94550), (305, 93310), (310, 91805), (350, 81313), (427, 66650), (430, 66185), (434, 65575), (602, 47275), (610, 46655), (775, 36722), (854, 33325), (1075, 26474), (1085, 26230), (1333, 21350), (1505, 18910), (1525, 18662), (1550, 18361), (1891, 15050), (2135, 13330), (2150, 13237), (2170, 13115), (2623, 10850), (2666, 10675), (3010, 9455), (3050, 9331), (3782, 7525), (4270, 6665), (5246, 5425)]