197819640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28921}}^1$

素因数の和:28957

約数の個数: 96

約数和(自身を含む): 676774800

約数和(自身を除く): 478955160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 28921, 57842, 86763, 115684, 144605, 173526, 231368, 260289, 289210, 347052, 433815, 520578, 549499, 578420, 694104, 867630, 1041156, 1098998, 1156840, 1301445, 1648497, 1735260, 2082312, 2197996, 2602890, 2747495, 3296994, 3470520, 4395992, 4945491, 5205780, 5494990, 6593988, 8242485, 9890982, 10411560, 10989980, 13187976, 16484970, 19781964, 21979960, 24727455, 32969940, 39563928, 49454910, 65939880, 98909820, 197819640]

約数ペア:

[(1, 197819640), (2, 98909820), (3, 65939880), (4, 49454910), (5, 39563928), (6, 32969940), (8, 24727455), (9, 21979960), (10, 19781964), (12, 16484970), (15, 13187976), (18, 10989980), (19, 10411560), (20, 9890982), (24, 8242485), (30, 6593988), (36, 5494990), (38, 5205780), (40, 4945491), (45, 4395992), (57, 3470520), (60, 3296994), (72, 2747495), (76, 2602890), (90, 2197996), (95, 2082312), (114, 1735260), (120, 1648497), (152, 1301445), (171, 1156840), (180, 1098998), (190, 1041156), (228, 867630), (285, 694104), (342, 578420), (360, 549499), (380, 520578), (456, 433815), (570, 347052), (684, 289210), (760, 260289), (855, 231368), (1140, 173526), (1368, 144605), (1710, 115684), (2280, 86763), (3420, 57842), (6840, 28921)]