201398320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 120

約数和(自身を含む): 515288448

約数和(自身を除く): 313890128

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, 281, 289, 310, 340, 496, 527, 562, 578, 620, 680, 1054, 1124, 1156, 1240, 1360, 1405, 1445, 2108, 2248, 2312, 2480, 2635, 2810, 2890, 4216, 4496, 4624, 4777, 5270, 5620, 5780, 8432, 8711, 8959, 9554, 10540, 11240, 11560, 17422, 17918, 19108, 21080, 22480, 23120, 23885, 34844, 35836, 38216, 42160, 43555, 44795, 47770, 69688, 71672, 76432, 81209, 87110, 89590, 95540, 139376, 143344, 148087, 162418, 174220, 179180, 191080, 296174, 324836, 348440, 358360, 382160, 406045, 592348, 649672, 696880, 716720, 740435, 812090, 1184696, 1299344, 1480870, 1624180, 2369392, 2517479, 2961740, 3248360, 5034958, 5923480, 6496720, 10069916, 11846960, 12587395, 20139832, 25174790, 40279664, 50349580, 100699160, 201398320]

約数ペア:

[(1, 201398320), (2, 100699160), (4, 50349580), (5, 40279664), (8, 25174790), (10, 20139832), (16, 12587395), (17, 11846960), (20, 10069916), (31, 6496720), (34, 5923480), (40, 5034958), (62, 3248360), (68, 2961740), (80, 2517479), (85, 2369392), (124, 1624180), (136, 1480870), (155, 1299344), (170, 1184696), (248, 812090), (272, 740435), (281, 716720), (289, 696880), (310, 649672), (340, 592348), (496, 406045), (527, 382160), (562, 358360), (578, 348440), (620, 324836), (680, 296174), (1054, 191080), (1124, 179180), (1156, 174220), (1240, 162418), (1360, 148087), (1405, 143344), (1445, 139376), (2108, 95540), (2248, 89590), (2312, 87110), (2480, 81209), (2635, 76432), (2810, 71672), (2890, 69688), (4216, 47770), (4496, 44795), (4624, 43555), (4777, 42160), (5270, 38216), (5620, 35836), (5780, 34844), (8432, 23885), (8711, 23120), (8959, 22480), (9554, 21080), (10540, 19108), (11240, 17918), (11560, 17422)]