181631300

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 404661600

約数和(自身を除く): 223030300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 139, 146, 179, 278, 292, 358, 365, 556, 695, 716, 730, 895, 1390, 1460, 1790, 1825, 2780, 3475, 3580, 3650, 4475, 6950, 7300, 8950, 10147, 13067, 13900, 17900, 20294, 24881, 26134, 40588, 49762, 50735, 52268, 65335, 99524, 101470, 124405, 130670, 202940, 248810, 253675, 261340, 326675, 497620, 507350, 622025, 653350, 1014700, 1244050, 1306700, 1816313, 2488100, 3632626, 7265252, 9081565, 18163130, 36326260, 45407825, 90815650, 181631300]

約数ペア:

[(1, 181631300), (2, 90815650), (4, 45407825), (5, 36326260), (10, 18163130), (20, 9081565), (25, 7265252), (50, 3632626), (73, 2488100), (100, 1816313), (139, 1306700), (146, 1244050), (179, 1014700), (278, 653350), (292, 622025), (358, 507350), (365, 497620), (556, 326675), (695, 261340), (716, 253675), (730, 248810), (895, 202940), (1390, 130670), (1460, 124405), (1790, 101470), (1825, 99524), (2780, 65335), (3475, 52268), (3580, 50735), (3650, 49762), (4475, 40588), (6950, 26134), (7300, 24881), (8950, 20294), (10147, 17900), (13067, 13900)]