196209220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 421303680

約数和(自身を除く): 225094460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 257, 295, 514, 590, 647, 1028, 1180, 1285, 1294, 2570, 2588, 3235, 5140, 6470, 12940, 15163, 30326, 38173, 60652, 75815, 76346, 151630, 152692, 166279, 190865, 303260, 332558, 381730, 665116, 763460, 831395, 1662790, 3325580, 9810461, 19620922, 39241844, 49052305, 98104610, 196209220]

約数ペア:

[(1, 196209220), (2, 98104610), (4, 49052305), (5, 39241844), (10, 19620922), (20, 9810461), (59, 3325580), (118, 1662790), (236, 831395), (257, 763460), (295, 665116), (514, 381730), (590, 332558), (647, 303260), (1028, 190865), (1180, 166279), (1285, 152692), (1294, 151630), (2570, 76346), (2588, 75815), (3235, 60652), (5140, 38173), (6470, 30326), (12940, 15163)]