247774950

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{20393}}^1$

素因数の和:20420

約数の個数: 72

約数和(自身を含む): 690377688

約数和(自身を除く): 442602738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 675, 810, 1215, 1350, 2025, 2430, 4050, 6075, 12150, 20393, 40786, 61179, 101965, 122358, 183537, 203930, 305895, 367074, 509825, 550611, 611790, 917685, 1019650, 1101222, 1529475, 1651833, 1835370, 2753055, 3058950, 3303666, 4588425, 4955499, 5506110, 8259165, 9176850, 9910998, 13765275, 16518330, 24777495, 27530550, 41295825, 49554990, 82591650, 123887475, 247774950]

約数ペア:

[(1, 247774950), (2, 123887475), (3, 82591650), (5, 49554990), (6, 41295825), (9, 27530550), (10, 24777495), (15, 16518330), (18, 13765275), (25, 9910998), (27, 9176850), (30, 8259165), (45, 5506110), (50, 4955499), (54, 4588425), (75, 3303666), (81, 3058950), (90, 2753055), (135, 1835370), (150, 1651833), (162, 1529475), (225, 1101222), (243, 1019650), (270, 917685), (405, 611790), (450, 550611), (486, 509825), (675, 367074), (810, 305895), (1215, 203930), (1350, 183537), (2025, 122358), (2430, 101965), (4050, 61179), (6075, 40786), (12150, 20393)]