221655520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4340

約数の個数: 96

約数和(自身を含む): 583783200

約数和(自身を除く): 362127680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 2720, 3040, 3230, 4289, 5168, 6460, 8578, 10336, 12920, 17156, 21445, 25840, 34312, 42890, 51680, 68624, 72913, 81491, 85780, 137248, 145826, 162982, 171560, 291652, 325964, 343120, 364565, 407455, 583304, 651928, 686240, 729130, 814910, 1166608, 1303856, 1385347, 1458260, 1629820, 2333216, 2607712, 2770694, 2916520, 3259640, 5541388, 5833040, 6519280, 6926735, 11082776, 11666080, 13038560, 13853470, 22165552, 27706940, 44331104, 55413880, 110827760, 221655520]

約数ペア:

[(1, 221655520), (2, 110827760), (4, 55413880), (5, 44331104), (8, 27706940), (10, 22165552), (16, 13853470), (17, 13038560), (19, 11666080), (20, 11082776), (32, 6926735), (34, 6519280), (38, 5833040), (40, 5541388), (68, 3259640), (76, 2916520), (80, 2770694), (85, 2607712), (95, 2333216), (136, 1629820), (152, 1458260), (160, 1385347), (170, 1303856), (190, 1166608), (272, 814910), (304, 729130), (323, 686240), (340, 651928), (380, 583304), (544, 407455), (608, 364565), (646, 343120), (680, 325964), (760, 291652), (1292, 171560), (1360, 162982), (1520, 145826), (1615, 137248), (2584, 85780), (2720, 81491), (3040, 72913), (3230, 68624), (4289, 51680), (5168, 42890), (6460, 34312), (8578, 25840), (10336, 21445), (12920, 17156)]