1337649400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 3333536640

約数和(自身を除く): 1995887240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 97, 100, 152, 190, 191, 194, 200, 361, 380, 382, 388, 475, 485, 722, 760, 764, 776, 950, 955, 970, 1444, 1528, 1805, 1843, 1900, 1910, 1940, 2425, 2888, 3610, 3629, 3686, 3800, 3820, 3880, 4775, 4850, 7220, 7258, 7372, 7640, 9025, 9215, 9550, 9700, 14440, 14516, 14744, 18050, 18145, 18430, 18527, 19100, 19400, 29032, 35017, 36100, 36290, 36860, 37054, 38200, 46075, 68951, 70034, 72200, 72580, 73720, 74108, 90725, 92150, 92635, 137902, 140068, 145160, 148216, 175085, 181450, 184300, 185270, 275804, 280136, 344755, 350170, 352013, 362900, 368600, 370540, 463175, 551608, 689510, 700340, 704026, 725800, 741080, 875425, 926350, 1379020, 1400680, 1408052, 1723775, 1750850, 1760065, 1852700, 2758040, 2816104, 3447550, 3501700, 3520130, 3705400, 6688247, 6895100, 7003400, 7040260, 8800325, 13376494, 13790200, 14080520, 17600650, 26752988, 33441235, 35201300, 53505976, 66882470, 70402600, 133764940, 167206175, 267529880, 334412350, 668824700, 1337649400]

約数ペア:

[(1, 1337649400), (2, 668824700), (4, 334412350), (5, 267529880), (8, 167206175), (10, 133764940), (19, 70402600), (20, 66882470), (25, 53505976), (38, 35201300), (40, 33441235), (50, 26752988), (76, 17600650), (95, 14080520), (97, 13790200), (100, 13376494), (152, 8800325), (190, 7040260), (191, 7003400), (194, 6895100), (200, 6688247), (361, 3705400), (380, 3520130), (382, 3501700), (388, 3447550), (475, 2816104), (485, 2758040), (722, 1852700), (760, 1760065), (764, 1750850), (776, 1723775), (950, 1408052), (955, 1400680), (970, 1379020), (1444, 926350), (1528, 875425), (1805, 741080), (1843, 725800), (1900, 704026), (1910, 700340), (1940, 689510), (2425, 551608), (2888, 463175), (3610, 370540), (3629, 368600), (3686, 362900), (3800, 352013), (3820, 350170), (3880, 344755), (4775, 280136), (4850, 275804), (7220, 185270), (7258, 184300), (7372, 181450), (7640, 175085), (9025, 148216), (9215, 145160), (9550, 140068), (9700, 137902), (14440, 92635), (14516, 92150), (14744, 90725), (18050, 74108), (18145, 73720), (18430, 72580), (18527, 72200), (19100, 70034), (19400, 68951), (29032, 46075), (35017, 38200), (36100, 37054), (36290, 36860)]