90218100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{42961}}^1$

素因数の和:42985

約数の個数: 72

約数和(自身を含む): 298328128

約数和(自身を除く): 208110028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 42961, 85922, 128883, 171844, 214805, 257766, 300727, 429610, 515532, 601454, 644415, 859220, 902181, 1074025, 1202908, 1288830, 1503635, 1804362, 2148050, 2577660, 3007270, 3222075, 3608724, 4296100, 4510905, 6014540, 6444150, 7518175, 9021810, 12888300, 15036350, 18043620, 22554525, 30072700, 45109050, 90218100]

約数ペア:

[(1, 90218100), (2, 45109050), (3, 30072700), (4, 22554525), (5, 18043620), (6, 15036350), (7, 12888300), (10, 9021810), (12, 7518175), (14, 6444150), (15, 6014540), (20, 4510905), (21, 4296100), (25, 3608724), (28, 3222075), (30, 3007270), (35, 2577660), (42, 2148050), (50, 1804362), (60, 1503635), (70, 1288830), (75, 1202908), (84, 1074025), (100, 902181), (105, 859220), (140, 644415), (150, 601454), (175, 515532), (210, 429610), (300, 300727), (350, 257766), (420, 214805), (525, 171844), (700, 128883), (1050, 85922), (2100, 42961)]