30210740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6961}}^1$

素因数の和:7008

約数の個数: 48

約数和(自身を含む): 74855424

約数和(自身を除く): 44644684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6961, 13922, 27844, 34805, 48727, 69610, 97454, 139220, 194908, 215791, 243635, 431582, 487270, 863164, 974540, 1078955, 1510537, 2157910, 3021074, 4315820, 6042148, 7552685, 15105370, 30210740]

約数ペア:

[(1, 30210740), (2, 15105370), (4, 7552685), (5, 6042148), (7, 4315820), (10, 3021074), (14, 2157910), (20, 1510537), (28, 1078955), (31, 974540), (35, 863164), (62, 487270), (70, 431582), (124, 243635), (140, 215791), (155, 194908), (217, 139220), (310, 97454), (434, 69610), (620, 48727), (868, 34805), (1085, 27844), (2170, 13922), (4340, 6961)]