239878730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 565705728

約数和(自身を除く): 325826998

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 73, 91, 115, 130, 146, 157, 161, 182, 230, 299, 314, 322, 365, 455, 511, 598, 730, 785, 805, 910, 949, 1022, 1099, 1495, 1570, 1610, 1679, 1898, 2041, 2093, 2198, 2555, 2990, 3358, 3611, 4082, 4186, 4745, 5110, 5495, 6643, 7222, 8395, 9490, 10205, 10465, 10990, 11461, 11753, 13286, 14287, 16790, 18055, 20410, 20930, 21827, 22922, 23506, 25277, 28574, 33215, 36110, 43654, 46943, 50554, 57305, 58765, 66430, 71435, 80227, 93886, 109135, 114610, 117530, 126385, 142870, 148993, 152789, 160454, 218270, 234715, 252770, 263603, 297986, 305578, 328601, 401135, 469430, 527206, 657202, 744965, 763945, 802270, 1042951, 1318015, 1489930, 1527890, 1643005, 1845221, 2085902, 2636030, 3286010, 3426839, 3690442, 5214755, 6853678, 9226105, 10429510, 17134195, 18452210, 23987873, 34268390, 47975746, 119939365, 239878730]

約数ペア:

[(1, 239878730), (2, 119939365), (5, 47975746), (7, 34268390), (10, 23987873), (13, 18452210), (14, 17134195), (23, 10429510), (26, 9226105), (35, 6853678), (46, 5214755), (65, 3690442), (70, 3426839), (73, 3286010), (91, 2636030), (115, 2085902), (130, 1845221), (146, 1643005), (157, 1527890), (161, 1489930), (182, 1318015), (230, 1042951), (299, 802270), (314, 763945), (322, 744965), (365, 657202), (455, 527206), (511, 469430), (598, 401135), (730, 328601), (785, 305578), (805, 297986), (910, 263603), (949, 252770), (1022, 234715), (1099, 218270), (1495, 160454), (1570, 152789), (1610, 148993), (1679, 142870), (1898, 126385), (2041, 117530), (2093, 114610), (2198, 109135), (2555, 93886), (2990, 80227), (3358, 71435), (3611, 66430), (4082, 58765), (4186, 57305), (4745, 50554), (5110, 46943), (5495, 43654), (6643, 36110), (7222, 33215), (8395, 28574), (9490, 25277), (10205, 23506), (10465, 22922), (10990, 21827), (11461, 20930), (11753, 20410), (13286, 18055), (14287, 16790)]