78121300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{11003}}^1$

素因数の和:11088

約数の個数: 36

約数和(自身を含む): 171926496

約数和(自身を除く): 93805196

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 11003, 22006, 44012, 55015, 110030, 220060, 275075, 550150, 781213, 1100300, 1562426, 3124852, 3906065, 7812130, 15624260, 19530325, 39060650, 78121300]

約数ペア:

[(1, 78121300), (2, 39060650), (4, 19530325), (5, 15624260), (10, 7812130), (20, 3906065), (25, 3124852), (50, 1562426), (71, 1100300), (100, 781213), (142, 550150), (284, 275075), (355, 220060), (710, 110030), (1420, 55015), (1775, 44012), (3550, 22006), (7100, 11003)]