204275988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 618741760

約数和(自身を除く): 414465772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 79, 84, 93, 124, 126, 158, 186, 217, 237, 252, 279, 316, 331, 372, 434, 474, 553, 558, 651, 662, 711, 868, 948, 993, 1106, 1116, 1302, 1324, 1422, 1659, 1953, 1986, 2212, 2317, 2449, 2604, 2844, 2979, 3318, 3906, 3972, 4634, 4898, 4977, 5958, 6636, 6951, 7347, 7812, 9268, 9796, 9954, 10261, 11916, 13902, 14694, 17143, 19908, 20522, 20853, 22041, 26149, 27804, 29388, 30783, 34286, 41044, 41706, 44082, 51429, 52298, 61566, 68572, 71827, 78447, 83412, 88164, 92349, 102858, 104596, 123132, 143654, 154287, 156894, 183043, 184698, 205716, 215481, 235341, 287308, 308574, 313788, 366086, 369396, 430962, 470682, 549129, 617148, 646443, 732172, 810619, 861924, 941364, 1098258, 1292886, 1621238, 1647387, 2196516, 2431857, 2585772, 3242476, 3294774, 4863714, 5674333, 6589548, 7295571, 9727428, 11348666, 14591142, 17022999, 22697332, 29182284, 34045998, 51068997, 68091996, 102137994, 204275988]

約数ペア:

[(1, 204275988), (2, 102137994), (3, 68091996), (4, 51068997), (6, 34045998), (7, 29182284), (9, 22697332), (12, 17022999), (14, 14591142), (18, 11348666), (21, 9727428), (28, 7295571), (31, 6589548), (36, 5674333), (42, 4863714), (62, 3294774), (63, 3242476), (79, 2585772), (84, 2431857), (93, 2196516), (124, 1647387), (126, 1621238), (158, 1292886), (186, 1098258), (217, 941364), (237, 861924), (252, 810619), (279, 732172), (316, 646443), (331, 617148), (372, 549129), (434, 470682), (474, 430962), (553, 369396), (558, 366086), (651, 313788), (662, 308574), (711, 287308), (868, 235341), (948, 215481), (993, 205716), (1106, 184698), (1116, 183043), (1302, 156894), (1324, 154287), (1422, 143654), (1659, 123132), (1953, 104596), (1986, 102858), (2212, 92349), (2317, 88164), (2449, 83412), (2604, 78447), (2844, 71827), (2979, 68572), (3318, 61566), (3906, 52298), (3972, 51429), (4634, 44082), (4898, 41706), (4977, 41044), (5958, 34286), (6636, 30783), (6951, 29388), (7347, 27804), (7812, 26149), (9268, 22041), (9796, 20853), (9954, 20522), (10261, 19908), (11916, 17143), (13902, 14694)]