30739910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 33126970

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 307, 310, 323, 527, 589, 614, 646, 1054, 1178, 1535, 1615, 2635, 2945, 3070, 3230, 5219, 5270, 5833, 5890, 9517, 10013, 10438, 11666, 19034, 20026, 26095, 29165, 47585, 50065, 52190, 58330, 95170, 99161, 100130, 161789, 180823, 198322, 323578, 361646, 495805, 808945, 904115, 991610, 1617890, 1808230, 3073991, 6147982, 15369955, 30739910]

約数ペア:

[(1, 30739910), (2, 15369955), (5, 6147982), (10, 3073991), (17, 1808230), (19, 1617890), (31, 991610), (34, 904115), (38, 808945), (62, 495805), (85, 361646), (95, 323578), (155, 198322), (170, 180823), (190, 161789), (307, 100130), (310, 99161), (323, 95170), (527, 58330), (589, 52190), (614, 50065), (646, 47585), (1054, 29165), (1178, 26095), (1535, 20026), (1615, 19034), (2635, 11666), (2945, 10438), (3070, 10013), (3230, 9517), (5219, 5890), (5270, 5833)]