212916990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1666

約数の個数: 128

約数和(自身を含む): 620089344

約数和(自身を除く): 407172354

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 31, 33, 39, 55, 62, 65, 66, 78, 93, 110, 130, 143, 155, 165, 186, 195, 286, 310, 330, 341, 390, 403, 429, 465, 682, 715, 806, 858, 930, 1023, 1209, 1430, 1601, 1705, 2015, 2046, 2145, 2418, 3202, 3410, 4030, 4290, 4433, 4803, 5115, 6045, 8005, 8866, 9606, 10230, 12090, 13299, 16010, 17611, 20813, 22165, 24015, 26598, 35222, 41626, 44330, 48030, 49631, 52833, 62439, 66495, 88055, 99262, 104065, 105666, 124878, 132990, 148893, 176110, 208130, 228943, 248155, 264165, 297786, 312195, 457886, 496310, 528330, 545941, 624390, 645203, 686829, 744465, 1091882, 1144715, 1290406, 1373658, 1488930, 1637823, 1935609, 2289430, 2729705, 3226015, 3275646, 3434145, 3871218, 5459410, 6452030, 6868290, 7097233, 8189115, 9678045, 14194466, 16378230, 19356090, 21291699, 35486165, 42583398, 70972330, 106458495, 212916990]

約数ペア:

[(1, 212916990), (2, 106458495), (3, 70972330), (5, 42583398), (6, 35486165), (10, 21291699), (11, 19356090), (13, 16378230), (15, 14194466), (22, 9678045), (26, 8189115), (30, 7097233), (31, 6868290), (33, 6452030), (39, 5459410), (55, 3871218), (62, 3434145), (65, 3275646), (66, 3226015), (78, 2729705), (93, 2289430), (110, 1935609), (130, 1637823), (143, 1488930), (155, 1373658), (165, 1290406), (186, 1144715), (195, 1091882), (286, 744465), (310, 686829), (330, 645203), (341, 624390), (390, 545941), (403, 528330), (429, 496310), (465, 457886), (682, 312195), (715, 297786), (806, 264165), (858, 248155), (930, 228943), (1023, 208130), (1209, 176110), (1430, 148893), (1601, 132990), (1705, 124878), (2015, 105666), (2046, 104065), (2145, 99262), (2418, 88055), (3202, 66495), (3410, 62439), (4030, 52833), (4290, 49631), (4433, 48030), (4803, 44330), (5115, 41626), (6045, 35222), (8005, 26598), (8866, 24015), (9606, 22165), (10230, 20813), (12090, 17611), (13299, 16010)]