1900703805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1371

約数の個数: 128

約数和(自身を含む): 4126187520

約数和(自身を除く): 2225483715

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 103, 105, 143, 165, 195, 231, 273, 309, 385, 429, 455, 515, 715, 721, 1001, 1133, 1155, 1229, 1339, 1365, 1545, 2145, 2163, 3003, 3399, 3605, 3687, 4017, 5005, 5665, 6145, 6695, 7931, 8603, 9373, 10815, 13519, 14729, 15015, 15977, 16995, 18435, 20085, 23793, 25809, 28119, 39655, 40557, 43015, 44187, 46865, 47931, 67595, 73645, 79885, 94633, 103103, 111839, 118965, 126587, 129045, 140595, 175747, 202785, 220935, 239655, 283899, 309309, 335517, 379761, 473165, 515515, 527241, 559195, 632935, 878735, 886109, 1230229, 1392457, 1419495, 1546545, 1645631, 1677585, 1898805, 2636205, 2658327, 3690687, 4177371, 4430545, 4936893, 6151145, 6962285, 8228155, 9747199, 11519417, 13291635, 18101941, 18453435, 20886855, 24684465, 29241597, 34558251, 48735995, 54305823, 57597085, 90509705, 126713587, 146207985, 172791255, 271529115, 380140761, 633567935, 1900703805]

約数ペア:

[(1, 1900703805), (3, 633567935), (5, 380140761), (7, 271529115), (11, 172791255), (13, 146207985), (15, 126713587), (21, 90509705), (33, 57597085), (35, 54305823), (39, 48735995), (55, 34558251), (65, 29241597), (77, 24684465), (91, 20886855), (103, 18453435), (105, 18101941), (143, 13291635), (165, 11519417), (195, 9747199), (231, 8228155), (273, 6962285), (309, 6151145), (385, 4936893), (429, 4430545), (455, 4177371), (515, 3690687), (715, 2658327), (721, 2636205), (1001, 1898805), (1133, 1677585), (1155, 1645631), (1229, 1546545), (1339, 1419495), (1365, 1392457), (1545, 1230229), (2145, 886109), (2163, 878735), (3003, 632935), (3399, 559195), (3605, 527241), (3687, 515515), (4017, 473165), (5005, 379761), (5665, 335517), (6145, 309309), (6695, 283899), (7931, 239655), (8603, 220935), (9373, 202785), (10815, 175747), (13519, 140595), (14729, 129045), (15015, 126587), (15977, 118965), (16995, 111839), (18435, 103103), (20085, 94633), (23793, 79885), (25809, 73645), (28119, 67595), (39655, 47931), (40557, 46865), (43015, 44187)]