28666021950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1721683}}^1$

素因数の和:1721738

約数の個数: 72

約数和(自身を含む): 79097606328

約数和(自身を除く): 50431584378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 37, 45, 50, 74, 75, 90, 111, 150, 185, 222, 225, 333, 370, 450, 555, 666, 925, 1110, 1665, 1850, 2775, 3330, 5550, 8325, 16650, 1721683, 3443366, 5165049, 8608415, 10330098, 15495147, 17216830, 25825245, 30990294, 43042075, 51650490, 63702271, 77475735, 86084150, 127404542, 129126225, 154951470, 191106813, 258252450, 318511355, 382213626, 387378675, 573320439, 637022710, 774757350, 955534065, 1146640878, 1592556775, 1911068130, 2866602195, 3185113550, 4777670325, 5733204390, 9555340650, 14333010975, 28666021950]

約数ペア:

[(1, 28666021950), (2, 14333010975), (3, 9555340650), (5, 5733204390), (6, 4777670325), (9, 3185113550), (10, 2866602195), (15, 1911068130), (18, 1592556775), (25, 1146640878), (30, 955534065), (37, 774757350), (45, 637022710), (50, 573320439), (74, 387378675), (75, 382213626), (90, 318511355), (111, 258252450), (150, 191106813), (185, 154951470), (222, 129126225), (225, 127404542), (333, 86084150), (370, 77475735), (450, 63702271), (555, 51650490), (666, 43042075), (925, 30990294), (1110, 25825245), (1665, 17216830), (1850, 15495147), (2775, 10330098), (3330, 8608415), (5550, 5165049), (8325, 3443366), (16650, 1721683)]