31530100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1505

約数の個数: 72

約数和(自身を含む): 80772608

約数和(自身を除く): 49242508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1453, 1550, 2170, 2906, 3100, 4340, 5425, 5812, 7265, 10171, 10850, 14530, 20342, 21700, 29060, 36325, 40684, 45043, 50855, 72650, 90086, 101710, 145300, 180172, 203420, 225215, 254275, 315301, 450430, 508550, 630602, 900860, 1017100, 1126075, 1261204, 1576505, 2252150, 3153010, 4504300, 6306020, 7882525, 15765050, 31530100]

約数ペア:

[(1, 31530100), (2, 15765050), (4, 7882525), (5, 6306020), (7, 4504300), (10, 3153010), (14, 2252150), (20, 1576505), (25, 1261204), (28, 1126075), (31, 1017100), (35, 900860), (50, 630602), (62, 508550), (70, 450430), (100, 315301), (124, 254275), (140, 225215), (155, 203420), (175, 180172), (217, 145300), (310, 101710), (350, 90086), (434, 72650), (620, 50855), (700, 45043), (775, 40684), (868, 36325), (1085, 29060), (1453, 21700), (1550, 20342), (2170, 14530), (2906, 10850), (3100, 10171), (4340, 7265), (5425, 5812)]