1211808220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 3143992320

約数和(自身を除く): 1932184100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 151, 190, 196, 245, 266, 302, 380, 431, 490, 532, 604, 665, 755, 862, 931, 980, 1057, 1330, 1510, 1724, 1862, 2114, 2155, 2660, 2869, 3017, 3020, 3724, 4228, 4310, 4655, 5285, 5738, 6034, 7399, 8189, 8620, 9310, 10570, 11476, 12068, 14345, 14798, 15085, 16378, 18620, 20083, 21119, 21140, 28690, 29596, 30170, 32756, 36995, 40166, 40945, 42238, 57323, 57380, 60340, 65081, 73990, 80332, 81890, 84476, 100415, 105595, 114646, 130162, 140581, 147980, 163780, 200830, 211190, 229292, 260324, 281162, 286615, 325405, 401261, 401660, 422380, 455567, 562324, 573230, 650810, 702905, 802522, 911134, 1146460, 1236539, 1301620, 1405810, 1605044, 1822268, 2006305, 2277835, 2473078, 2811620, 3188969, 4012610, 4555670, 4946156, 6182695, 6377938, 8025220, 8655773, 9111340, 12365390, 12755876, 15944845, 17311546, 24730780, 31889690, 34623092, 43278865, 60590411, 63779380, 86557730, 121180822, 173115460, 242361644, 302952055, 605904110, 1211808220]

約数ペア:

[(1, 1211808220), (2, 605904110), (4, 302952055), (5, 242361644), (7, 173115460), (10, 121180822), (14, 86557730), (19, 63779380), (20, 60590411), (28, 43278865), (35, 34623092), (38, 31889690), (49, 24730780), (70, 17311546), (76, 15944845), (95, 12755876), (98, 12365390), (133, 9111340), (140, 8655773), (151, 8025220), (190, 6377938), (196, 6182695), (245, 4946156), (266, 4555670), (302, 4012610), (380, 3188969), (431, 2811620), (490, 2473078), (532, 2277835), (604, 2006305), (665, 1822268), (755, 1605044), (862, 1405810), (931, 1301620), (980, 1236539), (1057, 1146460), (1330, 911134), (1510, 802522), (1724, 702905), (1862, 650810), (2114, 573230), (2155, 562324), (2660, 455567), (2869, 422380), (3017, 401660), (3020, 401261), (3724, 325405), (4228, 286615), (4310, 281162), (4655, 260324), (5285, 229292), (5738, 211190), (6034, 200830), (7399, 163780), (8189, 147980), (8620, 140581), (9310, 130162), (10570, 114646), (11476, 105595), (12068, 100415), (14345, 84476), (14798, 81890), (15085, 80332), (16378, 73990), (18620, 65081), (20083, 60340), (21119, 57380), (21140, 57323), (28690, 42238), (29596, 40945), (30170, 40166), (32756, 36995)]