407787380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20369}}^1$

素因数の和:20409

約数の個数: 96

約数和(自身を含む): 1149845760

約数和(自身を除く): 742058380

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 10010, 20020, 20369, 40738, 81476, 101845, 142583, 203690, 224059, 264797, 285166, 407380, 448118, 529594, 570332, 712915, 896236, 1059188, 1120295, 1323985, 1425830, 1568413, 1853579, 2240590, 2647970, 2851660, 2912767, 3136826, 3707158, 4481180, 5295940, 5825534, 6273652, 7414316, 7842065, 9267895, 11651068, 14563835, 15684130, 18535790, 20389369, 29127670, 31368260, 37071580, 40778738, 58255340, 81557476, 101946845, 203893690, 407787380]

約数ペア:

[(1, 407787380), (2, 203893690), (4, 101946845), (5, 81557476), (7, 58255340), (10, 40778738), (11, 37071580), (13, 31368260), (14, 29127670), (20, 20389369), (22, 18535790), (26, 15684130), (28, 14563835), (35, 11651068), (44, 9267895), (52, 7842065), (55, 7414316), (65, 6273652), (70, 5825534), (77, 5295940), (91, 4481180), (110, 3707158), (130, 3136826), (140, 2912767), (143, 2851660), (154, 2647970), (182, 2240590), (220, 1853579), (260, 1568413), (286, 1425830), (308, 1323985), (364, 1120295), (385, 1059188), (455, 896236), (572, 712915), (715, 570332), (770, 529594), (910, 448118), (1001, 407380), (1430, 285166), (1540, 264797), (1820, 224059), (2002, 203690), (2860, 142583), (4004, 101845), (5005, 81476), (10010, 40738), (20020, 20369)]