616420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 1637496

約数和(自身を除く): 1021076

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 37, 49, 68, 70, 74, 85, 98, 119, 140, 148, 170, 185, 196, 238, 245, 259, 340, 370, 476, 490, 518, 595, 629, 740, 833, 980, 1036, 1190, 1258, 1295, 1666, 1813, 2380, 2516, 2590, 3145, 3332, 3626, 4165, 4403, 5180, 6290, 7252, 8330, 8806, 9065, 12580, 16660, 17612, 18130, 22015, 30821, 36260, 44030, 61642, 88060, 123284, 154105, 308210, 616420]

約数ペア:

[(1, 616420), (2, 308210), (4, 154105), (5, 123284), (7, 88060), (10, 61642), (14, 44030), (17, 36260), (20, 30821), (28, 22015), (34, 18130), (35, 17612), (37, 16660), (49, 12580), (68, 9065), (70, 8806), (74, 8330), (85, 7252), (98, 6290), (119, 5180), (140, 4403), (148, 4165), (170, 3626), (185, 3332), (196, 3145), (238, 2590), (245, 2516), (259, 2380), (340, 1813), (370, 1666), (476, 1295), (490, 1258), (518, 1190), (595, 1036), (629, 980), (740, 833)]