253905680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6211}}^1$

素因数の和:6304

約数の個数: 80

約数和(自身を含む): 684015744

約数和(自身を除く): 430110064

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, 6211, 8176, 10220, 12422, 20440, 24844, 31055, 40880, 43477, 49688, 62110, 86954, 99376, 124220, 173908, 217385, 248440, 347816, 434770, 453403, 496880, 695632, 869540, 906806, 1739080, 1813612, 2267015, 3173821, 3478160, 3627224, 4534030, 6347642, 7254448, 9068060, 12695284, 15869105, 18136120, 25390568, 31738210, 36272240, 50781136, 63476420, 126952840, 253905680]

約数ペア:

[(1, 253905680), (2, 126952840), (4, 63476420), (5, 50781136), (7, 36272240), (8, 31738210), (10, 25390568), (14, 18136120), (16, 15869105), (20, 12695284), (28, 9068060), (35, 7254448), (40, 6347642), (56, 4534030), (70, 3627224), (73, 3478160), (80, 3173821), (112, 2267015), (140, 1813612), (146, 1739080), (280, 906806), (292, 869540), (365, 695632), (511, 496880), (560, 453403), (584, 434770), (730, 347816), (1022, 248440), (1168, 217385), (1460, 173908), (2044, 124220), (2555, 99376), (2920, 86954), (4088, 62110), (5110, 49688), (5840, 43477), (6211, 40880), (8176, 31055), (10220, 24844), (12422, 20440)]