194920992020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{113209}}^1$

素因数の和:113457

約数の個数: 96

約数和(自身を含む): 451898092800

約数和(自身を除く): 256977100780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 197, 230, 380, 394, 437, 460, 788, 874, 985, 1748, 1970, 2185, 3743, 3940, 4370, 4531, 7486, 8740, 9062, 14972, 18124, 18715, 22655, 37430, 45310, 74860, 86089, 90620, 113209, 172178, 226418, 344356, 430445, 452836, 566045, 860890, 1132090, 1721780, 2150971, 2264180, 2603807, 4301942, 5207614, 8603884, 10415228, 10754855, 13019035, 21509710, 22302173, 26038070, 43019420, 44604346, 49472333, 52076140, 89208692, 98944666, 111510865, 197889332, 223021730, 247361665, 423741287, 446043460, 494723330, 512949979, 847482574, 989446660, 1025899958, 1694965148, 2051799916, 2118706435, 2564749895, 4237412870, 5129499790, 8474825740, 9746049601, 10258999580, 19492099202, 38984198404, 48730248005, 97460496010, 194920992020]

約数ペア:

[(1, 194920992020), (2, 97460496010), (4, 48730248005), (5, 38984198404), (10, 19492099202), (19, 10258999580), (20, 9746049601), (23, 8474825740), (38, 5129499790), (46, 4237412870), (76, 2564749895), (92, 2118706435), (95, 2051799916), (115, 1694965148), (190, 1025899958), (197, 989446660), (230, 847482574), (380, 512949979), (394, 494723330), (437, 446043460), (460, 423741287), (788, 247361665), (874, 223021730), (985, 197889332), (1748, 111510865), (1970, 98944666), (2185, 89208692), (3743, 52076140), (3940, 49472333), (4370, 44604346), (4531, 43019420), (7486, 26038070), (8740, 22302173), (9062, 21509710), (14972, 13019035), (18124, 10754855), (18715, 10415228), (22655, 8603884), (37430, 5207614), (45310, 4301942), (74860, 2603807), (86089, 2264180), (90620, 2150971), (113209, 1721780), (172178, 1132090), (226418, 860890), (344356, 566045), (430445, 452836)]