1949488520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{151}}^1\times {\mathrm{941}}^1$

素因数の和:1124

約数の個数: 128

約数和(自身を含む): 5154624000

約数和(自身を除く): 3205135480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 151, 196, 245, 280, 302, 343, 392, 490, 604, 686, 755, 941, 980, 1057, 1208, 1372, 1510, 1715, 1882, 1960, 2114, 2744, 3020, 3430, 3764, 4228, 4705, 5285, 6040, 6587, 6860, 7399, 7528, 8456, 9410, 10570, 13174, 13720, 14798, 18820, 21140, 26348, 29596, 32935, 36995, 37640, 42280, 46109, 51793, 52696, 59192, 65870, 73990, 92218, 103586, 131740, 142091, 147980, 184436, 207172, 230545, 258965, 263480, 284182, 295960, 322763, 368872, 414344, 461090, 517930, 568364, 645526, 710455, 922180, 994637, 1035860, 1136728, 1291052, 1420910, 1613815, 1844360, 1989274, 2071720, 2582104, 2841820, 3227630, 3978548, 4973185, 5683640, 6455260, 6962459, 7957096, 9946370, 12910520, 13924918, 19892740, 27849836, 34812295, 39785480, 48737213, 55699672, 69624590, 97474426, 139249180, 194948852, 243686065, 278498360, 389897704, 487372130, 974744260, 1949488520]

約数ペア:

[(1, 1949488520), (2, 974744260), (4, 487372130), (5, 389897704), (7, 278498360), (8, 243686065), (10, 194948852), (14, 139249180), (20, 97474426), (28, 69624590), (35, 55699672), (40, 48737213), (49, 39785480), (56, 34812295), (70, 27849836), (98, 19892740), (140, 13924918), (151, 12910520), (196, 9946370), (245, 7957096), (280, 6962459), (302, 6455260), (343, 5683640), (392, 4973185), (490, 3978548), (604, 3227630), (686, 2841820), (755, 2582104), (941, 2071720), (980, 1989274), (1057, 1844360), (1208, 1613815), (1372, 1420910), (1510, 1291052), (1715, 1136728), (1882, 1035860), (1960, 994637), (2114, 922180), (2744, 710455), (3020, 645526), (3430, 568364), (3764, 517930), (4228, 461090), (4705, 414344), (5285, 368872), (6040, 322763), (6587, 295960), (6860, 284182), (7399, 263480), (7528, 258965), (8456, 230545), (9410, 207172), (10570, 184436), (13174, 147980), (13720, 142091), (14798, 131740), (18820, 103586), (21140, 92218), (26348, 73990), (29596, 65870), (32935, 59192), (36995, 52696), (37640, 51793), (42280, 46109)]