209756340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1901}}^1$

素因数の和:2529

約数の個数: 72

約数和(自身を含む): 637634088

約数和(自身を除く): 427877748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 613, 1226, 1839, 1901, 2452, 3065, 3678, 3802, 5517, 5703, 6130, 7356, 7604, 9195, 9505, 11034, 11406, 12260, 17109, 18390, 19010, 22068, 22812, 27585, 28515, 34218, 36780, 38020, 55170, 57030, 68436, 85545, 110340, 114060, 171090, 342180, 1165313, 2330626, 3495939, 4661252, 5826565, 6991878, 10487817, 11653130, 13983756, 17479695, 20975634, 23306260, 34959390, 41951268, 52439085, 69918780, 104878170, 209756340]

約数ペア:

[(1, 209756340), (2, 104878170), (3, 69918780), (4, 52439085), (5, 41951268), (6, 34959390), (9, 23306260), (10, 20975634), (12, 17479695), (15, 13983756), (18, 11653130), (20, 10487817), (30, 6991878), (36, 5826565), (45, 4661252), (60, 3495939), (90, 2330626), (180, 1165313), (613, 342180), (1226, 171090), (1839, 114060), (1901, 110340), (2452, 85545), (3065, 68436), (3678, 57030), (3802, 55170), (5517, 38020), (5703, 36780), (6130, 34218), (7356, 28515), (7604, 27585), (9195, 22812), (9505, 22068), (11034, 19010), (11406, 18390), (12260, 17109)]