213431940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3671}}^1$

素因数の和:3722

約数の個数: 144

約数和(自身を含む): 721768320

約数和(自身を除く): 508336380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2907, 3060, 3230, 3420, 3671, 3876, 4845, 5814, 6460, 7342, 9690, 11013, 11628, 14535, 14684, 18355, 19380, 22026, 29070, 33039, 36710, 44052, 55065, 58140, 62407, 66078, 69749, 73420, 110130, 124814, 132156, 139498, 165195, 187221, 209247, 220260, 249628, 278996, 312035, 330390, 348745, 374442, 418494, 561663, 624070, 627741, 660780, 697490, 748884, 836988, 936105, 1046235, 1123326, 1185733, 1248140, 1255482, 1394980, 1872210, 2092470, 2246652, 2371466, 2510964, 2808315, 3138705, 3557199, 3744420, 4184940, 4742932, 5616630, 5928665, 6277410, 7114398, 10671597, 11233260, 11857330, 12554820, 14228796, 17785995, 21343194, 23714660, 35571990, 42686388, 53357985, 71143980, 106715970, 213431940]

約数ペア:

[(1, 213431940), (2, 106715970), (3, 71143980), (4, 53357985), (5, 42686388), (6, 35571990), (9, 23714660), (10, 21343194), (12, 17785995), (15, 14228796), (17, 12554820), (18, 11857330), (19, 11233260), (20, 10671597), (30, 7114398), (34, 6277410), (36, 5928665), (38, 5616630), (45, 4742932), (51, 4184940), (57, 3744420), (60, 3557199), (68, 3138705), (76, 2808315), (85, 2510964), (90, 2371466), (95, 2246652), (102, 2092470), (114, 1872210), (153, 1394980), (170, 1255482), (171, 1248140), (180, 1185733), (190, 1123326), (204, 1046235), (228, 936105), (255, 836988), (285, 748884), (306, 697490), (323, 660780), (340, 627741), (342, 624070), (380, 561663), (510, 418494), (570, 374442), (612, 348745), (646, 330390), (684, 312035), (765, 278996), (855, 249628), (969, 220260), (1020, 209247), (1140, 187221), (1292, 165195), (1530, 139498), (1615, 132156), (1710, 124814), (1938, 110130), (2907, 73420), (3060, 69749), (3230, 66078), (3420, 62407), (3671, 58140), (3876, 55065), (4845, 44052), (5814, 36710), (6460, 33039), (7342, 29070), (9690, 22026), (11013, 19380), (11628, 18355), (14535, 14684)]