402970240

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1138

約数の個数: 128

約数和(自身を含む): 1047744000

約数和(自身を除く): 644773760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 992, 1069, 1178, 1216, 1240, 1520, 1984, 2138, 2356, 2432, 2480, 2945, 3040, 3968, 4276, 4712, 4960, 5345, 5890, 6080, 8552, 9424, 9920, 10690, 11780, 12160, 17104, 18848, 19840, 20311, 21380, 23560, 33139, 34208, 37696, 40622, 42760, 47120, 66278, 68416, 75392, 81244, 85520, 94240, 101555, 132556, 136832, 162488, 165695, 171040, 188480, 203110, 265112, 324976, 331390, 342080, 376960, 406220, 530224, 629641, 649952, 662780, 684160, 812440, 1060448, 1259282, 1299904, 1325560, 1624880, 2120896, 2518564, 2599808, 2651120, 3148205, 3249760, 4241792, 5037128, 5302240, 6296410, 6499520, 10074256, 10604480, 12592820, 12999040, 20148512, 21208960, 25185640, 40297024, 50371280, 80594048, 100742560, 201485120, 402970240]

約数ペア:

[(1, 402970240), (2, 201485120), (4, 100742560), (5, 80594048), (8, 50371280), (10, 40297024), (16, 25185640), (19, 21208960), (20, 20148512), (31, 12999040), (32, 12592820), (38, 10604480), (40, 10074256), (62, 6499520), (64, 6296410), (76, 5302240), (80, 5037128), (95, 4241792), (124, 3249760), (128, 3148205), (152, 2651120), (155, 2599808), (160, 2518564), (190, 2120896), (248, 1624880), (304, 1325560), (310, 1299904), (320, 1259282), (380, 1060448), (496, 812440), (589, 684160), (608, 662780), (620, 649952), (640, 629641), (760, 530224), (992, 406220), (1069, 376960), (1178, 342080), (1216, 331390), (1240, 324976), (1520, 265112), (1984, 203110), (2138, 188480), (2356, 171040), (2432, 165695), (2480, 162488), (2945, 136832), (3040, 132556), (3968, 101555), (4276, 94240), (4712, 85520), (4960, 81244), (5345, 75392), (5890, 68416), (6080, 66278), (8552, 47120), (9424, 42760), (9920, 40622), (10690, 37696), (11780, 34208), (12160, 33139), (17104, 23560), (18848, 21380), (19840, 20311)]