289794820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{9539}}^1$

素因数の和:9593

約数の個数: 72

約数和(自身を含む): 730840320

約数和(自身を除く): 441045500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 9539, 15190, 19078, 30380, 38156, 47695, 66773, 95390, 133546, 190780, 267092, 295709, 333865, 467411, 591418, 667730, 934822, 1182836, 1335460, 1478545, 1869644, 2069963, 2337055, 2957090, 4139926, 4674110, 5914180, 8279852, 9348220, 10349815, 14489741, 20699630, 28979482, 41399260, 57958964, 72448705, 144897410, 289794820]

約数ペア:

[(1, 289794820), (2, 144897410), (4, 72448705), (5, 57958964), (7, 41399260), (10, 28979482), (14, 20699630), (20, 14489741), (28, 10349815), (31, 9348220), (35, 8279852), (49, 5914180), (62, 4674110), (70, 4139926), (98, 2957090), (124, 2337055), (140, 2069963), (155, 1869644), (196, 1478545), (217, 1335460), (245, 1182836), (310, 934822), (434, 667730), (490, 591418), (620, 467411), (868, 333865), (980, 295709), (1085, 267092), (1519, 190780), (2170, 133546), (3038, 95390), (4340, 66773), (6076, 47695), (7595, 38156), (9539, 30380), (15190, 19078)]