319804240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7823}}^1$

素因数の和:7916

約数の個数: 80

約数和(自身を含む): 861516288

約数和(自身を除く): 541712048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 7823, 8176, 10220, 15646, 20440, 31292, 39115, 40880, 54761, 62584, 78230, 109522, 125168, 156460, 219044, 273805, 312920, 438088, 547610, 571079, 625840, 876176, 1095220, 1142158, 2190440, 2284316, 2855395, 3997553, 4380880, 4568632, 5710790, 7995106, 9137264, 11421580, 15990212, 19987765, 22843160, 31980424, 39975530, 45686320, 63960848, 79951060, 159902120, 319804240]

約数ペア:

[(1, 319804240), (2, 159902120), (4, 79951060), (5, 63960848), (7, 45686320), (8, 39975530), (10, 31980424), (14, 22843160), (16, 19987765), (20, 15990212), (28, 11421580), (35, 9137264), (40, 7995106), (56, 5710790), (70, 4568632), (73, 4380880), (80, 3997553), (112, 2855395), (140, 2284316), (146, 2190440), (280, 1142158), (292, 1095220), (365, 876176), (511, 625840), (560, 571079), (584, 547610), (730, 438088), (1022, 312920), (1168, 273805), (1460, 219044), (2044, 156460), (2555, 125168), (2920, 109522), (4088, 78230), (5110, 62584), (5840, 54761), (7823, 40880), (8176, 39115), (10220, 31292), (15646, 20440)]