305655140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{5113}}^1$

素因数の和:5197

約数の個数: 72

約数和(自身を含む): 759060792

約数和(自身を除く): 453405652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2135, 2989, 4270, 5113, 5978, 8540, 10226, 11956, 14945, 20452, 25565, 29890, 35791, 51130, 59780, 71582, 102260, 143164, 178955, 250537, 311893, 357910, 501074, 623786, 715820, 1002148, 1247572, 1252685, 1559465, 2183251, 2505370, 3118930, 4366502, 5010740, 6237860, 8733004, 10916255, 15282757, 21832510, 30565514, 43665020, 61131028, 76413785, 152827570, 305655140]

約数ペア:

[(1, 305655140), (2, 152827570), (4, 76413785), (5, 61131028), (7, 43665020), (10, 30565514), (14, 21832510), (20, 15282757), (28, 10916255), (35, 8733004), (49, 6237860), (61, 5010740), (70, 4366502), (98, 3118930), (122, 2505370), (140, 2183251), (196, 1559465), (244, 1252685), (245, 1247572), (305, 1002148), (427, 715820), (490, 623786), (610, 501074), (854, 357910), (980, 311893), (1220, 250537), (1708, 178955), (2135, 143164), (2989, 102260), (4270, 71582), (5113, 59780), (5978, 51130), (8540, 35791), (10226, 29890), (11956, 25565), (14945, 20452)]