201904240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4789}}^1$

素因数の和:4850

約数の個数: 80

約数和(自身を含む): 513181440

約数和(自身を除く): 311277200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 4789, 5270, 8432, 9578, 10540, 19156, 21080, 23945, 38312, 42160, 47890, 76624, 81413, 95780, 148459, 162826, 191560, 296918, 325652, 383120, 407065, 593836, 651304, 742295, 814130, 1187672, 1302608, 1484590, 1628260, 2375344, 2523803, 2969180, 3256520, 5047606, 5938360, 6513040, 10095212, 11876720, 12619015, 20190424, 25238030, 40380848, 50476060, 100952120, 201904240]

約数ペア:

[(1, 201904240), (2, 100952120), (4, 50476060), (5, 40380848), (8, 25238030), (10, 20190424), (16, 12619015), (17, 11876720), (20, 10095212), (31, 6513040), (34, 5938360), (40, 5047606), (62, 3256520), (68, 2969180), (80, 2523803), (85, 2375344), (124, 1628260), (136, 1484590), (155, 1302608), (170, 1187672), (248, 814130), (272, 742295), (310, 651304), (340, 593836), (496, 407065), (527, 383120), (620, 325652), (680, 296918), (1054, 191560), (1240, 162826), (1360, 148459), (2108, 95780), (2480, 81413), (2635, 76624), (4216, 47890), (4789, 42160), (5270, 38312), (8432, 23945), (9578, 21080), (10540, 19156)]