4991490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 16128000

約数和(自身を除く): 11136510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 139, 171, 189, 190, 210, 266, 270, 278, 285, 315, 342, 378, 399, 417, 513, 570, 630, 665, 695, 798, 834, 855, 945, 973, 1026, 1197, 1251, 1330, 1390, 1710, 1890, 1946, 1995, 2085, 2394, 2502, 2565, 2641, 2919, 3591, 3753, 3990, 4170, 4865, 5130, 5282, 5838, 5985, 6255, 7182, 7506, 7923, 8757, 9730, 11970, 12510, 13205, 14595, 15846, 17514, 17955, 18487, 18765, 23769, 26271, 26410, 29190, 35910, 36974, 37530, 39615, 43785, 47538, 52542, 55461, 71307, 79230, 87570, 92435, 110922, 118845, 131355, 142614, 166383, 184870, 237690, 262710, 277305, 332766, 356535, 499149, 554610, 713070, 831915, 998298, 1663830, 2495745, 4991490]

約数ペア:

[(1, 4991490), (2, 2495745), (3, 1663830), (5, 998298), (6, 831915), (7, 713070), (9, 554610), (10, 499149), (14, 356535), (15, 332766), (18, 277305), (19, 262710), (21, 237690), (27, 184870), (30, 166383), (35, 142614), (38, 131355), (42, 118845), (45, 110922), (54, 92435), (57, 87570), (63, 79230), (70, 71307), (90, 55461), (95, 52542), (105, 47538), (114, 43785), (126, 39615), (133, 37530), (135, 36974), (139, 35910), (171, 29190), (189, 26410), (190, 26271), (210, 23769), (266, 18765), (270, 18487), (278, 17955), (285, 17514), (315, 15846), (342, 14595), (378, 13205), (399, 12510), (417, 11970), (513, 9730), (570, 8757), (630, 7923), (665, 7506), (695, 7182), (798, 6255), (834, 5985), (855, 5838), (945, 5282), (973, 5130), (1026, 4865), (1197, 4170), (1251, 3990), (1330, 3753), (1390, 3591), (1710, 2919), (1890, 2641), (1946, 2565), (1995, 2502), (2085, 2394)]