904686020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 2312335872

約数和(自身を除く): 1407649852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 97, 98, 124, 140, 155, 194, 196, 217, 245, 307, 310, 388, 434, 485, 490, 614, 620, 679, 868, 970, 980, 1085, 1228, 1358, 1519, 1535, 1940, 2149, 2170, 2716, 3007, 3038, 3070, 3395, 4298, 4340, 4753, 6014, 6076, 6140, 6790, 7595, 8596, 9506, 9517, 10745, 12028, 13580, 15035, 15043, 15190, 19012, 19034, 21049, 21490, 23765, 29779, 30070, 30086, 30380, 38068, 42098, 42980, 47530, 47585, 59558, 60140, 60172, 66619, 75215, 84196, 95060, 95170, 105245, 119116, 133238, 147343, 148895, 150430, 190340, 208453, 210490, 266476, 294686, 297790, 300860, 333095, 416906, 420980, 466333, 589372, 595580, 666190, 736715, 833812, 923149, 932666, 1042265, 1332380, 1459171, 1473430, 1846298, 1865332, 2084530, 2331665, 2918342, 2946860, 3692596, 4169060, 4615745, 4663330, 5836684, 6462043, 7295855, 9231490, 9326660, 12924086, 14591710, 18462980, 25848172, 29183420, 32310215, 45234301, 64620430, 90468602, 129240860, 180937204, 226171505, 452343010, 904686020]

約数ペア:

[(1, 904686020), (2, 452343010), (4, 226171505), (5, 180937204), (7, 129240860), (10, 90468602), (14, 64620430), (20, 45234301), (28, 32310215), (31, 29183420), (35, 25848172), (49, 18462980), (62, 14591710), (70, 12924086), (97, 9326660), (98, 9231490), (124, 7295855), (140, 6462043), (155, 5836684), (194, 4663330), (196, 4615745), (217, 4169060), (245, 3692596), (307, 2946860), (310, 2918342), (388, 2331665), (434, 2084530), (485, 1865332), (490, 1846298), (614, 1473430), (620, 1459171), (679, 1332380), (868, 1042265), (970, 932666), (980, 923149), (1085, 833812), (1228, 736715), (1358, 666190), (1519, 595580), (1535, 589372), (1940, 466333), (2149, 420980), (2170, 416906), (2716, 333095), (3007, 300860), (3038, 297790), (3070, 294686), (3395, 266476), (4298, 210490), (4340, 208453), (4753, 190340), (6014, 150430), (6076, 148895), (6140, 147343), (6790, 133238), (7595, 119116), (8596, 105245), (9506, 95170), (9517, 95060), (10745, 84196), (12028, 75215), (13580, 66619), (15035, 60172), (15043, 60140), (15190, 59558), (19012, 47585), (19034, 47530), (21049, 42980), (21490, 42098), (23765, 38068), (29779, 30380), (30070, 30086)]