90969910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 179988480

約数和(自身を除く): 89018570

約数列:

[1, 2, 5, 10, 19, 38, 47, 61, 94, 95, 122, 167, 190, 235, 305, 334, 470, 610, 835, 893, 1159, 1670, 1786, 2318, 2867, 3173, 4465, 5734, 5795, 6346, 7849, 8930, 10187, 11590, 14335, 15698, 15865, 20374, 28670, 31730, 39245, 50935, 54473, 78490, 101870, 108946, 149131, 193553, 272365, 298262, 387106, 478789, 544730, 745655, 957578, 967765, 1491310, 1935530, 2393945, 4787890, 9096991, 18193982, 45484955, 90969910]

約数ペア:

[(1, 90969910), (2, 45484955), (5, 18193982), (10, 9096991), (19, 4787890), (38, 2393945), (47, 1935530), (61, 1491310), (94, 967765), (95, 957578), (122, 745655), (167, 544730), (190, 478789), (235, 387106), (305, 298262), (334, 272365), (470, 193553), (610, 149131), (835, 108946), (893, 101870), (1159, 78490), (1670, 54473), (1786, 50935), (2318, 39245), (2867, 31730), (3173, 28670), (4465, 20374), (5734, 15865), (5795, 15698), (6346, 14335), (7849, 11590), (8930, 10187)]