2972184440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{15217}}^1$

素因数の和:15504

約数の個数: 64

約数和(自身を含む): 7067239200

約数和(自身を除く): 4095054760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 257, 380, 514, 760, 1028, 1285, 2056, 2570, 4883, 5140, 9766, 10280, 15217, 19532, 24415, 30434, 39064, 48830, 60868, 76085, 97660, 121736, 152170, 195320, 289123, 304340, 578246, 608680, 1156492, 1445615, 2312984, 2891230, 3910769, 5782460, 7821538, 11564920, 15643076, 19553845, 31286152, 39107690, 74304611, 78215380, 148609222, 156430760, 297218444, 371523055, 594436888, 743046110, 1486092220, 2972184440]

約数ペア:

[(1, 2972184440), (2, 1486092220), (4, 743046110), (5, 594436888), (8, 371523055), (10, 297218444), (19, 156430760), (20, 148609222), (38, 78215380), (40, 74304611), (76, 39107690), (95, 31286152), (152, 19553845), (190, 15643076), (257, 11564920), (380, 7821538), (514, 5782460), (760, 3910769), (1028, 2891230), (1285, 2312984), (2056, 1445615), (2570, 1156492), (4883, 608680), (5140, 578246), (9766, 304340), (10280, 289123), (15217, 195320), (19532, 152170), (24415, 121736), (30434, 97660), (39064, 76085), (48830, 60868)]